To substitute another thing or things for; shift; cause to be replaced by another: as, to change the clothes, or one suit of clothes for another; to change one's position.Specifically To give or procure an equivalent for in smaller parts of like kind; make or get change for: said of money: as, to change a bank-note (that is, to give or receive coins or smaller notes in exchange for it).To give and take reciprocally; barter; exchange.To cause to turn or pass from one state to another; alter or make different; vary in external form or in essence: as, to change the color or shape of a thing; to change countenance.To render acid or tainted; turn from a natural state of sweetness and purity: as, the wine is changed; thunder and lightning are said to change milk.To be altered; undergo variation; be partially or wholly transformed: as, men sometimes change for the better, often for the worse.To pass from one phase to another, as the moon: as, the moon will change on Friday.To become acid or tainted, as milk.n. Any variation or alteration in form, state, quality, or essence; a passing from one state or form to another: as, a change of countenance or of aspect; a change of habits or principles.n. Specificallyn. The passing from life to death; death.n. In vocalics, the mutation of the male voice at puberty, whereby the soprano or alto of the boy is replaced by the tenor or bass of the man.n. In harmony, a modulation or transition from one key or tonality to another.n. Variation or variableness in general; the quality or condition of being unstable; instability; transition; alteration: as, all things are subject to change; change is the central fact of existence.n. A passing from one thing to another in succession; the supplanting of one thing by another in succession: as, a change of seasons or of climate; a change of scene.n. The beginning of a new monthly revolution; the passing from one phase to another: as, a change of the moon (see below).n. Alteration in the order of a series; permutation; specifically, in bell-ringing, any arrangement or sequence of the bells of a peal other than the diatonic. See change-ringing.n. Variety; novelty.n. That which makes a variety or may be substituted for another: as, “thirty change of garments,”n. Money of the lower denominations given in exchange for larger pieces.n. The balance of money returned after deducting the price of a purchase from the sum tendered in payment.n. A place where merchants and others meet to transact business; a building appropriated for mercantile transactions: in this sense an abbreviation of exchange, and often now written 'change.n. Exchange: as, “maintained the change of words,”n. A public house; a change-house.n. A round in dancing.n. In hunting, the mistaking of a stag met by chance for the one pursued.To change, radically, one's views on any question.