reasoning *
logical thinking
abstract thought

One needs the capacity for abstract thought or, at the very least, suffering.

Instead he appeared to spend most of his life staring straight ahead as if in abstract thought.

Together they faced a situation accessible only to abstract thought.

They may also be hard to solve, and involve abstract thought.

His discussion begins with an analysis of a natural man who has not yet acquired language or abstract thought.

Abstract thought is a new thing in the world.

That was his last abstract thought for a while.

But remember, we fins aren't yet so good at abstract thought while fighting.

For a warrior, the spirit is an abstract only because he knows it without words or even thoughts.

The sheriff would have liked a mind that could deal with abstract thoughts and ideas.