get back

(verb) recover something or somebody that appeared to be lost. Synonyms: win back, get back. Examples: "We got back the money after we threatened to sue the company." "He got back his son from the kidnappers."

(verb) take revenge or even out a score. Synonyms: get even, get back. Example: "I cannot accept the defeat--i want to get even."

(verb) get one's revenge for a wrong or an injury. Synonyms: settle, get back. Example: "I finally settled with my old enemy."