avenge

kostaa A vengeance; a revenge.
puhekieltä 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 slaughtered saints, whose bones / Lie scattered on the Alpine mountains cold.

Thou shalt not avenge, nor bear any grudge against the children of thy people, but thou shalt love thy neighbour as thyself: I am the LORD.

thy judgment in avenging thine enemies