/vin'di kay"sheuhn/ , n.
1. the act of vindicating.
2. the state of being vindicated.
3. defense; excuse; justification: Poverty was a vindication for his thievery.
4. something that vindicates: Subsequent events were her vindication.
[ 1475-85; vindication- (s. of vindicatio ), equiv. to vindicat ( us ) (see VINDICATE) + -ion- -ION ]