barter

business, occupation, employment; pursuit; what one is doing, what one is about; affair, concern, matter, case., matter in hand, irons in the fire; thing to do, agendum, task, work, job, chore [U.S.], errand, commission, mission, charge, care; duty., part, role, cue; province, function, lookout, department, capacity, sphere, orb, field, line; walk of life; beat, round, routine; race, career., office, place, post, chargeship, incumbency, living; situation, berth, employ; service (servitude); engagement; undertaking., vocation, calling, profession, cloth, faculty; industry, art; industrial arts; craft, mystery, handicraft; trade (commerce)., exercise; work (action); avocation; press of business (activity).

pass one's time in, employ one's time in, spend one's time in; employ oneself in, employ oneself upon; occupy oneself with, concern oneself with; make it one's business; undertake; enter a profession; betake oneself to, turn one's hand to; have to do with (do)., drive a trade; carry on a trade, do a trade, transact a trade, carry on business, do business, transact business; keep a shop; ply one's task, ply one's trade; labor in one's vocation; pursue the even tenor of one's way; attend to business, attend to one's work., officiate, serve, act; act one's part, play one's part; do duty; serve the office, discharge the office, perform the office, perform the duties, perform the functions of; hold an office, fill an office, fill a place, fill a situation; hold a portfolio., be about, be doing, be engaged in, be employed in, be occupied with, be at work on; have one's hands in, have in hand; have on one's hands, have on one's shoulders; bear the burden; have one's hands full (activity) [more]., be in the hands of, be on the stocks, be on the anvil; pass through one's hands.

businesslike; workaday; professional; official, functional; busy (actively employed); on hand, in hand, in one's hands; afoot; on foot, on the anvil; going on; acting.

in the course of business, all in one's day's work; professionally,

change, alteration, mutation, permutation, variation, modification, modulation, inflexion, mood, qualification, innovation, metastasis, deviation, turn, evolution, revolution; diversion; break., transformation, transfiguration; metamorphosis; transmutation; deoxidization; transubstantiation; mutagenesis, transanimation, transmigration, metempsychosis; avatar; alterative., conversion (gradual change); revolution (sudden or radical change); inversion (reversal); displacement; transference., changeableness; tergiversation (change of mind).

change, alter, vary, wax and wane; modulate, diversify, qualify, tamper with; turn, shift, veer, tack, chop, shuffle, swerve, warp, deviate, turn aside, evert, intervert; pass to, take a turn, turn the corner, resume., work a change, modify, vamp, superinduce; transform, transfigure, transmute, transmogrify, transume; metamorphose, ring the changes., innovate, introduce new blood, shuffle the cards; give a turn to, give a color to; influence, turn the scale; shift the scene, turn over a new leaf., recast; reverse; disturb; convert into.

changed; newfangled; changeable; transitional; modifiable; alterative.

mutatis mutandis ["The necessary changes having been made" (Latin)].

interchange, exchange; commutation, permutation, intermutation; reciprocation, transposition, shuffling; alternation, reciprocity; castling [at chess]; hocus-pocus., interchangeableness, interchangeability., barter; tit for tat (retaliation); cross fire, battledore and shuttlecock; quid pro quo.

interchange, exchange, counterchange; bandy, transpose, shuffle, change bands, swap, permute, reciprocate, commute; give and take, return the compliment; play at puss in the corner, play at battledore and shuttlecock; retaliate; requite.

interchanged; reciprocal, mutual, commutative, interchangeable, intercurrent., substituted; vicarious, subdititious.

in exchange, vice versa, mutatis mutandis, backwards and forwards, by turns, turn and turn about; each in his turn, everyone in his turn., instead; in place of, in lieu of, in the stead of, in the room of; faute de mieux.