| conceit | conceive an idea [of], think, imagine |
| conceit | notion, idea, thought |
| crotchet | strange notion, perverse idea, whimsical fancy |
| fantastical | fanciful, imaginative, full of wild ideas |
| fantastico | absurdity, person of wild ideas |
| fasten | fix the idea, establish, inculcate |
| full | ideal, perfect, complete |
| image | idea, conception, mental picture |
| operation | plan, active thought, working idea |
| princess | paragon, sovereign form, ideal |
| project | conception, idea, notion |
| stuff | matter, notion, idea |
| suggest | present ideas, make suggestions |
| suggest | [of an idea] insinuate [to], make hints [to] |
| surmise | idea, imagining, conjecture |