cognition(n = noun.tops) knowledge, noesis - the psychological result of perception and learning and reasoning;
is a kind of psychological feature
has particulars: brain, head, mind, nous, psyche, place, general knowledge, public knowledge, episteme, ability, power, inability, lexis, lexicon, mental lexicon, vocabulary, practice, cognitive factor, equivalent, cognitive operation, cognitive process, mental process, operation, process, process, unconscious process, perception, structure, cognitive content, content, mental object, information, history, attitude, mental attitude

1.  The act of knowing; knowledge; perception. [1913 Webster]
"I will not be myself nor have cognation
Of what I feel: I am all patience." [1913 Webster]

2.  That which is known. [1913 Webster]

cognition, n.
1 Philos. knowing, perceiving, or conceiving as an act or faculty distinct from emotion and volition.
2 a result of this; a perception, sensation, notion, or intuition.

Derivative:
cognitional adj. cognitive adj.

Etymology:
L cognitio (as CO-, gnoscere gnit- apprehend)

N  knowledge, cognizance, cognition, cognoscence, acquaintance, experience, ken, privity, insight, familiarity, comprehension, apprehension, recognition, appreciation, intuition, conscience, consciousness, perception, precognition, acroamatics, light, enlightenment, glimpse, inkling, glimmer, glimmering, dawn, scent, suspicion, impression, discovery, system of knowledge, body of knowledge, science, philosophy, pansophy, acroama, theory, aetiology, etiology, circle of the sciences, pandect, doctrine, body of doctrine, cyclopedia, encyclopedia, school, tree of knowledge, republic of letters, erudition, learning, lore, scholarship, reading, letters, literature, book madness, book learning, bookishness, bibliomania, bibliolatry, information, general information, store of knowledge, education, culture, menticulture, attainments, acquirements, acquisitions, accomplishments, proficiency, practical knowledge, liberal education, dilettantism, rudiments, deep knowledge, profound knowledge, solid knowledge, accurate knowledge, acroatic knowledge, acroamatic knowledge, vast knowledge, extensive knowledge, encyclopedic knowledge, encyclopedic learning, omniscience, pantology, march of intellect, progress of science, advance of science, advance of learning, schoolmaster abroad, scholar, knowing, cognitive, acroamatic, aware of, cognizant of, conscious of, acquainted with, made acquainted with, privy to, no stranger to, au fait with, au courant, in the secret, up to, alive to, behind the scenes, behind the curtain, let into, apprized of, informed of, undeceived, proficient with, versed with, read with, forward with, strong with, at home in, conversant with, familiar with, erudite, instructed, leaned, lettered, educated, well conned, well informed, well read, well grounded, well educated, enlightened, shrewd, savant, blue, bookish, scholastic, solid, profound, deep-read, book- learned, accomplished, omniscient, self-taught, known, ascertained, well-known, recognized, received, notorious, noted, proverbial, familiar, familiar as household words, familiar to every schoolboy, hackneyed, trite, trivial, commonplace, cognoscible, cognizable, to one's knowledge, to the best of one's knowledge, one's eyes being opened, ompredre tout c'est tout pardonner, to know all is to pardon all, empta dolore docet experientia, gnothi seauton, half our knowledge we must snatch not take, Jahre lehren mehr als Bucher, years teach more than books, knowledge comes but wisdom lingers, knowledge is power, les affaires font les hommes, nec scire fas est omnia, the amassed thought and experience of innumerable, was ich nicht weiss macht mich nicht heiss.