noun
what exists in the mind as a representation (as of something comprehended) or as a formulation (as of a plan)
that's not my idea of a good time
Synonyms: apprehension, conceit, concept, conception, image, impression, intellection, notion, perception, thought
Related Word: assumption, belief, conclusion, conviction, estimation, feeling, inclination, judgment, opinion, persuasion, presumption, reaction, reflection, sentiment, view; conjecture, guess, hypothesis, speculation, supposition, surmise, suspicion, theory; caprice, fancy, fantasy, vagary, whim, whimsy; brainstorm, inspiration