All get back at synonyms

verb get back at

• settle a score — to avenge a wrong
• get even — level; flat; without surface irregularities; smooth: an even road.
• retaliate — to return like for like, especially evil for evil: to retaliate for an injury.
• revenge — to exact punishment or expiation for a wrong on behalf of, especially in a resentful or vindictive spirit: He revenged his murdered brother.
• pay back — to settle (a debt, obligation, etc.), as by transferring money or goods, or by doing something: Please pay your bill.