subtle, subtler, subtlest.adjectives
very faint; so slight as to be difficult to detect or analyze; elusive, obscure, hard to pin down as to cause and/or motive, delicate, perceptive, refined; not immediately obvious; abstruse
subtleness.noun
subtly.adverb
subtlety.noun,.plural.subtleties
the quality or state of being subtle; something subtle, especially a nicety of thought or a fine distinction

supple.adjective
inflected form(s).suppler, supplest
easy and fluent without stiffness or awkwardness; lissome
suppleness.noun
supplely.adverb

supposing.conjunction
assuming that (supposing we're right, what should we do?)
suppose, supposed, supposing, supposes.transitive verbs
to assume to be true; to believe to be; presume; to involve the assumption of
supposed.adjective
presumed to be true or real without conclusive evidence; intended (medication that is supposed to relieve pain); required (he is supposed to go to the store); permitted (we are supposed to smoke here, but not over there); firmly believed; expected (you're supposed to be my friend); to consider as a suggestion (suppose we dine together); presuppose; to believe, especially on uncertain or tentative grounds (scientists supposed that large dinosaurs lived in swamps)
supposedly.adverb
intransitive verb use.to imagine; conjecture

supposition.noun
something that is supposed; hypothesis; the act of supposing; assumption; conjecture
suppositional-adjective

supposititious.adjective.(pronounced 'suh pos ah tish us')
substituted with fraudulent intent; spurious; hypothetical; supposed
supposititiously.adverb
supposititiousness.noun

synopsis.noun
a condensed statement or outline (as of a narrative or treatise)

synoptic.adjective
of or relating to the first three Gospels.(Matthew, Mark, Luke) of the New Testament; affording a general view of a whole; manifesting or characterized by comprehensiveness or breadth of view; presenting or taking the same or common view; specifically often capitalized; relating to or displaying conditions (as of the atmosphere or weather) as they exist simultaneously over a broad area
synoptically.adverb

scourge.noun
a cause of widespread or great affliction; a whip, especially; one used to inflict pain or punishment 

shrewd.adjective
marked by clever discerning awareness and hardheaded acumen (shrewd common sense); given to wily and artful ways or dealing (a shrewd operator)
shrewdness.noun
shrewdly.adverb

sophism, sophistry.nouns
an argument used to deceive appearing correct in form but actually invalid; plausible but fallacious; unsound or misleading, but clever, plausible, and subtle argument or reasoning
sophistically.adverb

sparse.adjective
inflected form(s).sparser, sparsest
of few and scattered elements; especially; not thickly grown or settled; meager
sparseness, sparsity.nouns
sparsely.adverb

specious.adjective
having the ring of truth or plausibility but actually fallacious.(a specious argument); having a false look of truth or genuineness; sophistic
speciousness.or.speciosity.noun
speciously.adverb
specious.adjective

superlative.adjective
surpassing all others; supreme; of very high quality 
superlativeness.noun
superlatively.adverb
Grammar.-.of, relating to, or being the extreme degree of comparison of an adjective or adverb, as in 'best' or 'brightest'

schizophrenia.noun
contradictory or antagonistic.qualities or attitudes; a psychotic disorder characterized by loss of contact with the environment, by noticeable deterioration in the level of functioning in everyday life and by disintegration of personality expressed as disorder of feeling, thought (as in hallucinations and delusions.{as Stephen Spielberg so poignantly showed in his great true story movie.A Beautiful Mind, 2002}) and conduct); called also dementia praecox 
schizophrenic.adjective-or.noun
schizophrenically.adverb

secular.adjective
of or relating to the worldly or temporal (secular concerns) 
secularity.noun
secularly.adverb

sort.noun
a group of persons or things of the same general.character; a kind; character or nature (books of all sorts); type
sort, sorted, sorting, sorts.transitive verbs
to arrange according to class, kind, or size; classify; arrange; to separate from others (sort out the wheat from the chaff); to clarify by going over mentally (she tried to sort out a jigsaw puzzle)
sortable.adjective
sorter.noun
after a sort, sort of, of a sort.idioms
in a haphazard or imperfect way (managed to paint the chair after a sort)
sort of.idiom
somewhat; rather
after a sort
of a mediocre or inferior kind (a constitutional government of a sort); in a haphazard or imperfect way (managed to paint the chair after a sort) of sorts or of a sort; of one kind or another (knew many folktales of sorts)

out of sorts
slightly ill; irritable; cross (the teacher is out of sorts this morning)

seeming.adjective
apparent; ostensible; having an often deceptive or delusive appearance on superficial examination (their wealth gave them a seeming security; on the surface it would appear as if she was wealthy)
seemingly.adverb
seeming, seemingness.nouns
outward appearance; semblance

seemly, seemlier, seemliest.adjectives
conforming to standards of conduct and good taste; suitable (seemly behavior); of pleasing appearance; handsome
seemly.adverb
in a seemly manner; suitably
seemliness.noun

seminal.adjective
containing or contributing the seeds of later development; creative; original (a seminal book) (one of the most seminal of the great poets); of, relating to, or consisting of seed or semen 
seminally.adverb

subjection.noun
one placed under the control of another, usually to their detriment

subject.adjective
being in a position or in circumstances that place one under the power or authority of another or others (people in subjection to the whims of the ruling masters); prone; disposed-(a government which is subject to the will of the people); contingent or dependent (politicians being subject to the changing demographics)
subject.noun
one who is under the rule of another or others, especially one who owes allegiance to a government or ruler; a course or area of study (Math is her best subject); a basis for action; a cause; one that experiences or is subjected to something (politicians are supposed to be subject to the will of the people; they made him the subject of ridicule); one that is the object of clinical study (the experiment involved 12 subjects; one who is under surveillance (the subject was observed leaving the scene of the murder)
subject, subjected, subjecting, subjects.transitive verbs
to submit for consideration; to submit to the authority of; to expose to something (the patients on that ward were subjected to infection); to cause to experience (the campers were subjected to extreme weather}; to subjugate; subdue
Grammar.-.the noun, noun phrase, or pronoun in a sentence or clause that denotes the doer of the action or what is described by the predicate and that in some languages, such as English, can be identified by its characteristic position in simple sentences and in other languages, such as Latin, by inflectional endings; the mind or thinking part as distinguished from the object of thought

sever, severed, severing, severs.verbs
transitive verb use.to set or keep apart; divide or separate; to remove (a part) from a whole; dissolve; separate
intransitive verb use.to become cut or broken apart; to become separated or divided from each other

severe, severer, severest.adjectives
unsparing or harsh, as in treatment of others; strict; marked by or requiring strict adherence to rigorous standards; austere or dour; forbidding (spoke in a severe voice); extremely plain in substance or style (a severe black dress); causing sharp discomfort or distress; extremely violent or intense (a severe regulation that hurt the freedom of the country); evil; serious; lacking light heartedness and kindness; stern; conforming strictly to a rule, method, standard, etc.; grave or grievous (severely duped)
severely.adverb
severity, severeness.nouns

severance.noun
the act or process of severing; the condition of being severed; separation; partition

several.adjective
being of a number more than two or three but not many (several miles away)
severally.adverb