n. & adj.
--n.
1. a the ability to understand or think; intelligence. b the power of apprehension; the power of abstract thought.
2 an individual's perception or judgement of a situation etc.
3 an agreement; a thing agreed upon, esp. informally (had an understanding with the rival company; consented only on this understanding).
4 harmony in opinion or feeling (disturbed the good understanding between them).
5 sympathetic awareness or tolerance.
--adj.
1. having understanding or insight or good judgement.
2 sympathetic to others' feelings.
Derivatives:
understandingly adv.
Etymology: OE (as UNDERSTAND)