Answer: QUIDPROQUO

AnswerCrossword Clue
QUIDPROQUOEqual substitution
QUIDPROQUOTit for tat
QUIDPROQUOSubstitute
QUIDPROQUOGive-and-take.
QUIDPROQUOOne thing in return for another.
QUIDPROQUOIn kind.
QUIDPROQUORelative of tit for tat
QUIDPROQUOLiterally, something for something
QUIDPROQUOFair exchange
QUIDPROQUOCompensation (+)
QUIDPROQUOFair trade