Idea DEfinition

i·de·a  (-d) n. 1. Something, such as a thought or conception, that potentially or actually exists in the mind as a product of mental activity. 2. An opinion, conviction, or principle: has some strange political ideas. 3. A plan, scheme, or method. 4. The gist of a specific situation; significance: The idea is to finish the project under budget. 5. A notion; a fancy. 6. Music A theme or motif. 7. Philosophy a. In the philosophy of Plato, an archetype of which a corresponding being in phenomenal reality is an imperfect replica. b. In the philosophy of Kant, a concept of reason that is transcendent but nonempirical. c. In the philosophy of Hegel, absolute truth; the complete and ultimate product of reason. 8. Obsolete A mental image of something remembered. © http://www.thefreedictionary.com/idea