Reciprocation
Pronunciation : Re*cip`ro*ca"tion
Part of Speech : n.
Etymology : [L. reciprocatio: cf. F. reciprocation.]
Definition : 1. The act of reciprocating; interchange of acts; a mutual giving and returning; as, the reciprocation of kindness.
2. Alternate recurrence or action; as, the reciprocation of the sea in the flow and ebb of tides. Sir T. Browne.
Source : Webster's Unabridged Dictionary, 1913