reciprocate

Universal Words verb 1 ~ (sth) (with sth) to behave or feel towards sb in the same way as they behave or feel towards you: [VN] Her passion for him was not reciprocated. * They wanted to reciprocate the kindness that had been shown to them. * He smiled but his smile was not reciprocated. * [V] I wasn't sure whether to laugh or to reciprocate with a remark of my own. 2 [V] (technical) to move backwards and forwards in a straight line: a reciprocating action / movement reciprocation noun [U]