(n)change, alteration, modificationan event that occurs when something passes from one state or phase to another“the change was intended to increase sales”, “this storm is certainly a change for the worse”, “the neighborhood had undergone few modifications since his last visit years ago”
(n)changemoney received in return for its equivalent in a larger denomination or a different currency“he got change for a twenty and used it to pay the taxi driver”
(v)change, alter, modifycause to change; make different; cause a transformation“The advent of the automobile may have altered the growth pattern of the city”, “The discussion has changed my thinking about the issue”
(v)changeundergo a change; become different in essence; losing one's or its original nature“She changed completely as she grew older”, “The weather changed last night”
(v)change, alter, varybecome different in some particular way, without permanently losing one's or its former characteristics or essence“her mood changes in accordance with the weather”, “The supermarket's selection of vegetables varies according to the season”
(v)switch, shift, changelay aside, abandon, or leave for another“switch to a different brand of beer”, “She switched psychiatrists”, “The car changed lanes”
(v)change, exchange, commute, convertexchange or replace with another, usually of the same kind or category“Could you convert my dollars into pounds?”, “He changed his name”, “convert centimeters into inches”, “convert holdings into shares”