Synonym of reciprocating: acting or applying reciprocally between two parties.
1886, Benjamin Perley Poore, Perley’s Reminiscences of Sixty Years in the National Metropolis, Tecumseh, MI: A.W. Mills, Volume 2, Chapter , p. 477,
In the evening the Ancient and Honorable Artillery attended a special reception at the White House, reciprocatory of courtesies extended by the corps to President Arthur, one of its honorary members.
1938, Winifred Watson, Miss Pettigrew Lives for a Day, London: Persephone, 2008, Chapter , p. 14,
he was obviously left a little drunk with the reciprocatory fervour of Miss LaFosse’s kisses
Synonym of reciprocating: moving backwards and forwards.
1781, patent dated 25 October, cited in Charles Frederick Partington, A Course of Lectures on the Steam Engine, London: J. Gifford, 1826, p. 24, footnote,
For certain new methods of applying the vibrating or reciprocatory motion of steam or fire-engines to produce a continued rotative or circular motion round an axis or centre, and thereby to give motion to the wheels of mills, or other machines.