1) the abnormal power of seeing in the mind or what exists beyond the normal range of the senses (clairvoyance)

2) to form an idea, plan etc in the mind (conceive)

3) an idea, plan etc that is formed in the mind (conception)

4) to produce (an effect) in the mind (evoke)

5) existing only in the mind and not real (imaginary)

6) to bring (a person, thing) back to the mind, especially after forgetting a while; to have, keep, (a person, thing) in the mind (remember)

7) to go back over or along (something); to go over (past actions etc) in the mind (retrace)