/koj'i tay"sheuhn/ , n.
1. concerted thought or reflection; meditation; contemplation: After hours of cogitation he came up with a new proposal.
2. the faculty of thinking: She was a serious student and had a great power of cogitation.
3. a thought; design or plan: to jot down one's cogitations.
[ 1175-1225; ME cogitaciun cogitation- (s. of cogitatio ), equiv. to cogitat ( us ) (see COGITATE) + -ion- -ION ]