avenge

verb

1. (transitive)To take vengeance (for); to exact satisfaction for by punishing the injuring party; to vindicate by inflicting pain or evil on a wrongdoer.

   “to avenge the murder of his brother”

   “Avenge O Lord thy ſlaughter'd Saints, whoſe bones / Lie ſcatter'd on the Alpine mountains cold,”

   “Father, today I will avenge your death.”

2. (reflexive)To revenge oneself (on or upon someone).
3. (intransitive, obsolete)To take vengeance.

   “Thou shalt not auenge nor beare any grudge against the children of thy people, but thou shalt loue thy neighbor as thy selfe: I am the Lord.”

4. (archaic, transitive)To treat revengefully; to wreak vengeance on.

   “thy judgment in avenging thine enemies”

noun

1. (archaic)An act of vengeance; a revenge.