Synonyms: retaliation, revenge
Definition: action taken in return for an injury or offense
Similar words: getting even, return, paying back
Definition: a reciprocal group action
Usage: in return we gave them as good as we got
Synonyms: retaliate, revenge, avenge
Definition: take revenge for a perceived wrong
Usage: He wants to avenge the murder of his brother
Similar words: penalise, penalize, punish
Definition: impose a penalty on; inflict punishment on
Usage: The students were penalized for showing up late for class; we had to punish the dog for soiling the floor again