usage: recover something or somebody that appeared to be lost; "We got back the money after we threatened to sue the company"; "He got back his son from the kidnappers"
2. get even, get back, revenge, avenge, retaliate
usage: take revenge or even out a score; "I cannot accept the defeat--I want to get even"
3. settle, get back, contend, fight, struggle
usage: get one's revenge for a wrong or an injury; "I finally settled with my old enemy"