Strong's G1271 — διάνοια (noun)
dianoia (dee-an'-oy-ah) n.
1. deep thought, contemplation
2. (properly) the mind (or its disposition), the faculty
3. (by implication) its exercise, i.e. purposeful mental activity
[from G1223 and G3563]
KJV: imagination, mind, understanding 
Root(s): G1223, G3563 
Hebrew root: νοῦς
Occurrences: 12