n.
1.the choicest or most essential or most vital part of some idea or experience
2.preoccupation especially with one's attitudes and ethical or ideological values
3.the quality or state of being inward or internal
4.preoccupation with what concerns human inner nature (especially ethical or ideological values)
Idiom of the Day
take on the look or appearance of (something)
to begin to have the look of something
My friend has begun to take on the look of a university professor although he has only been working at the university for a short time.