1.
to have an image or idea of sth/sb in your mind :
When I said that I wasn't thinking of anyone in particular.
2.
to create an idea in your imagination :
Can anybody think of a way to raise money?
Have you thought of a name for the baby yet?
3.
[ no passive ] (used especially with can ) to remember sth/sb :
I can think of at least three occasions when he arrived late.
I can't think of her name at the moment.