Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

453. [Object of thought.] Idea — N. idea, notion, conception, thought,

apprehension, impression, perception, image, eidolon [Gr.], sentiment, reflection, observation, consideration; abstract idea; archetype, formative notion; guiding conception, organizing conception; image in the mind, regulative principle. view &c (opinion) 484; theory &c 514; conceit, fancy; phantasy &c (imagination) 515. point of view &c (aspect) 448; field of view.