"Gave quarter to" is a phrase used to describe showing mercy or leniency to someone, typically during wartime or conflict. There are several synonyms that can be used interchangeably with this phrase, including "spared," "forgave," "pardoned," "showed mercy to," "granted clemency to," "offered respite to," and "afforded leniency to." Each of these synonyms implies that the person in power or authority has chosen to show kindness or forgiveness, and has the ability to spare someone from punishment or harm. These synonyms are useful for writers seeking to vary their language or convey a slightly different tone or connotation in their writing.