reciprocate

verb (used with object), re·cip·ro·cat·ed, re·cip·ro·cat·ing.

1. to give, feel, etc., in return.
2. to give and receive reciprocally; interchange: to reciprocate favors.
3. to cause to move alternately backward and forward.

verb (used without object), re·cip·ro·cat·ed, re·cip·ro·cat·ing.

4. to make a return, as for something given.
5. to make interchange.
6. to be correspondent.
7. to move alternately backward and forward.

verb

1. to give or feel in return
2. to move or cause to move backwards and forwards
3. (intr) to be correspondent or equivalent

v.

“to return, requite,” 1610s, back-formation from reciprocation, or else from Latin reciprocatus, past participle of reciprocare “rise and fall, move back and forth; reverse the motion of,” from reciprocus (see reciprocal). Related: Reciprocated; reciprocating.