Search Result for "reciprocate": 
Wordnet 3.0

VERB (2)

1. act, feel, or give mutually or in return;
- Example: "We always invite the neighbors and they never reciprocate!"

2. alternate the direction of motion of;
- Example: "the engine reciprocates the propeller"


The Collaborative International Dictionary of English v.0.48:

Reciprocate \Re*cip"ro*cate\, v. t. To give and return mutually; to make return for; to give in return; to interchange; to alternate; as, to reciprocate favors. --Cowper. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Reciprocate \Re*cip"ro*cate\ (r[-e]*s[i^]p"r[-o]*k[=a]t), v. i. [imp. & p. p. Reciprocated (r[-e]*s[i^]p"r[-o]*k[=a]`t[e^]d); p. pr. & vb. n. Reciprocating.] [L. reciprocatus, p. p. of reciprocare. See Reciprocal.] To move forward and backward alternately; to recur in vicissitude; to act interchangeably; to alternate. [1913 Webster] One brawny smith the puffing bellows plies, And draws and blows reciprocating air. --Dryden. [1913 Webster] Reciprocating engine, a steam, air, or gas engine, etc., in which the piston moves back and forth; -- in distinction from a rotary engine, in which the piston travels continuously in one direction in a circular path. Reciprocating motion (Mech.), motion alternately backward and forward, or up and down, as of a piston rod. [1913 Webster]
WordNet (r) 3.0 (2006):

reciprocate v 1: act, feel, or give mutually or in return; "We always invite the neighbors and they never reciprocate!" 2: alternate the direction of motion of; "the engine reciprocates the propeller"
Moby Thesaurus II by Grady Ward, 1.0:

127 Moby Thesaurus words for "reciprocate": accord, act in concert, act together, affiliate, agree, agree with, ally, alternate, amalgamate, answer, answer to, associate, back and fill, band, band together, bandy, battledore and shuttlecock, be in league, be quits with, change, chime in with, club together, coact, coalesce, coequal, collaborate, collude, combine, come and go, come back at, commute, compensate, complement, concert, concord, concur, confederate, consolidate, conspire, cooperate, correspond, correspond to, cotton to, counter, counterchange, do business with, ebb and flow, empathize, equal, exchange, fall in with, federate, fuse, get along, get along with, get back at, get even with, get heads together, get on with, get together, give and take, give in exchange, give in return, go partners, hang together, harmonize, harmonize with, hit back at, hitch and hike, hold together, hook up, identify with, interchange, join, join in, join together, keep together, league, league together, logroll, make common cause, match, merge, partner, pass and repass, pay back, permute, play ball, pull together, put heads together, recompense, repay, requite, respond, respond to, retaliate, retort, return, return the compliment, ride and tie, seesaw, shuttle, shuttlecock, sing in chorus, stand together, strike back, swap, swing, switch, sympathize, team up, teeter, teeter-totter, throw in together, tie in, tie up, to-and-fro, trade, transpose, understand one another, unite, unite efforts, wax and wane, wibble-wabble, wigwag, work together, zigzag