castigate.transitive verb
inflected form(s).castigated, castigating
to subject to severe punishment, reproof, or criticism 
castigation, castigator.nouns
synonym.punish

catalysis.noun
the causing or speeding up of a chemical reaction by the addition of some substance which itself undergoes no permanent chemical change thereby

catalyst.noun
an agent that provokes or speeds significant change or action – serving as the agent in catalysis; a catalyst does not modify the equilibrium constant (doesn't participate directly in the reaction), but operates to affect the activation energy of the reaction

catalytic.adjective
of, involving, or acting as a catalyst
catalytically.adverb

catalyze, catalyzed, catalyzing, catalyzes.transitive verbs
to modify, especially to increase, the rate of (a chemical reaction) by catalysis; to bring about; initiate (the technology bred of science has catalyzed stupendous economic growth); to produce fundamental change in; transform (changes in student enrollment that have catalyzed the educational system) catalyzer.noun

catastrophe-noun
a great, often sudden calamity; disaster; a complete failure; a fiasco (he food was cold, the guests quarreled—the whole dinner was a catastrophe)

category.noun;.plural.categories
any of several fundamental and distinct classes to which entities or concepts belong; a division within a system of classification
categorize, categorized, categorizing, categorizes-transitive verbs
to put into a category or categories; classify
categorizable.adjective
categorization-noun

celestial.adjective
belonging to or relating to the sky; heavenly

convoke, convoked, convoking, convokes.verbs
to cause to assemble in a meeting; convene; call
convoker-noun

centrifugal.adjective
proceeding or acting in a direction away from a center or axis; efferent 
centrifugally.adverb
centrifugal force.noun
the force that tends to impel a thing or parts of a thing outward from a center of rotation (a stone whirled on a string exerts centrifugal force on the string)

centriole.noun
one of two cylindrical cellular structures that are composed of nine triplet microtubules and form the asters during mitosis. A centriole has a cylindrical assembly of 27 microtubules, arranged in 9 sets of 3. By a process not presently understood, the centriole sparks the growth of new microtubules.

centripetal.adjective
proceeding or acting in a direction toward a center or axis; afferent 
centripetally.adverb
centripetal force.noun
the force that is necessary to keep an object moving in a circular path and that is directed inward toward the center of rotation (a string on the end of which a stone is whirled about exerts centripetal force on the stone)

centrosome.noun
a very important organelle in a small region of cytoplasm.adjacent to the nucleus that contains the centrioles (molecular machines) and serves to organize microtubules. It is important to the cytoskeleton and for mitosis-(cell division). When a cell is not dividing it has only one centrosome. A centrosome is a far more mathematically molecular structure in form than most parts of a cell.
centrosomic.adjective

craze, crazed, crazing, crazes.verbs
transitive verb use.to cause to become mentally deranged or obsessed; make insane; to produce a network of fine cracks in the surface or glaze of
intransitive verb use.to become mentally deranged or obsessed; go insane

cerebral cortex.noun
the extensive outer layer of gray matter of the cerebral hemispheres, largely responsible for higher brain functions, including sensation, voluntary muscle movement, thought, reasoning and memory

cerebrum.noun, plural.cerebrums.or.cerebra
the large, rounded structure of the brain occupying most of the cranial cavity, divided into two cerebral hemispheres that are joined at the bottom by the corpus callosum

cerebral hemisphere.noun
either of the two symmetrical halves of the cerebrum, as divided by the longitudinal cerebral fissure

corpus callosum.noun, plural.corpora callosa
the arched bridge of nervous tissue that connects the two cerebral hemispheres, allowing communication between the right and left sides of the brain

coquette.noun
a woman who makes teasing sexual or romantic overtures; a flirt
coquettish.adjective
coquettishly.adverb
coquettishness.noun

clever, cleverer, cleverest.adjectives
mentally quick and original; bright; nimble with the hands or body; dexterous; exhibiting quick wittedness (a clever story)
cleverly.adverb
cleverness.noun

charisma.noun;.plural.charismata
personal magnetism or charm; a rare personal quality attributed to leaders who arouse fervent popular devotion and enthusiasm

convivial.adjective
fond of feasting, drinking, and good company; sociable; merry; festive (a convivial atmosphere at the reunion)
conviviality.noun
convivially.adverb

commune1, communed, communing, communes.transitive verbs
to be in a state of intimate, heightened sensitivity and receptivity, as with one's surroundings (hikers communing with nature)
commune2,.noun
a relatively small, often rural community whose members share common interests, work, and income and often own property collectively; the people in such a community; the smallest local political division of various European countries, governed by a mayor and municipal council

craggy, craggier, craggiest.adjectives
having crags (craggy terrain); rugged and uneven (a craggy face) craggily.adverb
cragginess.noun

crag.noun
a steeply projecting mass of rock forming part of a rugged cliff or headland
cragged.adjective

conceive, conceived, conceiving, conceives.verbs
transitive verb use.to become pregnant with (offspring); to form or develop in the mind; devise.(conceive a plan to increase employee satisfaction); to apprehend mentally; understand (couldn't conceive the meaning of that sentence); to be of the opinion that; think (didn't conceive such a wonderful thing could occur)
intransitive verb use.to form or hold an idea (ancient peoples conceived of the earth as flat); to become pregnant
conceivability.or.conceivableness.noun
conceivable.adjective
conceivably.adverb
conceiver.noun

conclude, concluded, concluding, concludes.transitive verbs
to bring to an end; close (concluded the speech with a joke); complete; to bring about (a final agreement or settlement; conclude an agreement); to reach a decision or form an opinion about; decide; to arrive at (a logical conclusion or end) by the process of reasoning; infer on the basis of convincing evidence (the jury concluded that the defendant was innocent)
intransitive use.to come to an end; close; to come to a decision or an agreement
concluder.noun

conclusion.noun
the close or last part; the end or finish; the result or outcome of an act or process; a judgment or decision reached after deliberation; the proposition that must follow from the major and minor premises in a syllogism; the proposition concluded from one or more premises; a deduction

conclusive.adjective
serving to put an end to doubt, question, or uncertainty; decisive
conclusively.adverb
conclusiveness.noun

Collie, one of the most popular pets, was originally bred as a sheepdog in Scotland. The dog may have been named after a Scottish black sheep, the colley

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