is a specific kind of: higher cognitive process.

is a broader term that covers: free association | construction, mental synthesis | abstract thought, logical thinking, reasoning | line of thought | thread, train of thought | mysticism | ideation | consideration | excogitation | explanation | planning, preparation, provision | problem solving | convergent thinking | divergent thinking, out-of-the-box thinking ... show more.

derivation: think | cerebrate, cogitate, think | think | think.