thinking
US /ˈθɪŋ.kɪŋ/
UK /ˈθɪŋ.kɪŋ/

1.
the process of considering or reasoning about something
:
•
Her thinking was clear and logical.
•
We need some fresh thinking on this problem.
1.
using one's mind to consider or reason about something
:
•
He was thinking about his future.
•
Are you thinking what I'm thinking?
1.
having the ability to reason or think
:
•
A thinking person would consider all options.
•
He's a deep thinking individual.