intellection

1 something imagined or pictured in the mind notebooks filled with his intellections on an amazing array of topics Synonyms abstraction, cogitation, concept, conception, image, impression, idea, mind's eye, notion, picture, thoughtRelated Words apprehension, premonition, presentiment; preconception, prejudice, prepossession; chimera, delusion, hallucination, illusion, phantasm (also fantasm); caprice, conceit, fancy, freak, kink, vagary, whim; cognition, observation, perception, reflection; assumption, belief, conclusion, conviction; conjecture, guess, hunch, hypothesis, speculation, supposition, surmise, theory; brainchild, brainstorm, brain wave, inspirationNear Antonyms actuality, fact, reality

2 the thought processes that have been established as leading to valid solutions to problems ever since Decartes famously declared, “I think, therefore I am,” people have tended to regard acts of conscious intellection as proof of their own existence Synonyms logic, ratiocination, reason, reasoning, senseRelated Words cogency, coherence, logicality, logicalness, rationality, rationalness; convincingness, persuasiveness; syllogism, synthesis; analysis, dissection; deduction, induction; argumentation, disputationNear Antonyms illogic, incoherence; absurdity, brainlessness, insanity, irrationality, nonsensicalness, preposterousness, senselessness