Synonyms to abstract thought

brainwork, act of thought, application, boning, cerebration, cogitation, conceit, conception, conceptualization, conning, contemplation, cram, cramming, creative thought, deliberation, drill, engrossment, excogitation, exercise, extensive study, grind, grinding, headwork, heavy thinking, idea, ideation, imageless thought, inspection, intellection, intellectual exercise, intellectualization, lucubration, mental act, mental labor, mental process, mentation, noesis, perusal, practice, ratiocination, reading, reasoning, reflection, restudy, restudying, review, speculation, straight thinking, study, studying, subject, swotting, thinking, thinking aloud, thinking out, thought, wide reading, affectation, aggressive self-confidence, amour propre, aphorism, apothegm, apprehension, arrogance, assume, assumption, assurance, attitude, bee, believe, bluster, boast, boastfulness, boasting, bombast, bon mot, boutade, brag, braggadocio, braggartism, bragging, brainstorm, bravado, bright idea, bright thought, brilliant idea, bumptiousness, capri