Synonym: change, substitute, swap, switch, trade. Similar words: in exchange for, change, changeable, unchangeable, range, angel, orange, arrange. Meaning: [ɪks'tʃeɪndʒ] 
n. 1. chemical process in which one atom or ion or group changes places with another 2. a mutual expression of views (especially an unpleasant one) 3. the act of changing one thing for another thing 4. the act of giving something in return for something received 5. a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication 6. a workplace for buying and selling; open only to members 7. (sports) an unbroken sequence of several successive strokes 8. reciprocal transfer of equivalent sums of money especially the currencies of different countries 9. the act of putting one thing or person in the place of another: "he sent Smith in for Jones but the substitution came too late to help" 10. (chess) gaining (or losing) a rook in return for a knight or bishop 11. (chess) the capture by both players (usually on consecutive moves) of pieces of equal value. v. 1. give to, and receive from, one another 2. exchange or replace with another, usually of the same kind or category 3. change over, change around, as to a new order or sequence 4. hand over one and receive another, approximately equivalent 5. exchange a penalty for a less severe one.
n. 1. chemical process in which one atom or ion or group changes places with another 2. a mutual expression of views (especially an unpleasant one) 3. the act of changing one thing for another thing 4. the act of giving something in return for something received 5. a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication 6. a workplace for buying and selling; open only to members 7. (sports) an unbroken sequence of several successive strokes 8. reciprocal transfer of equivalent sums of money especially the currencies of different countries 9. the act of putting one thing or person in the place of another: "he sent Smith in for Jones but the substitution came too late to help" 10. (chess) gaining (or losing) a rook in return for a knight or bishop 11. (chess) the capture by both players (usually on consecutive moves) of pieces of equal value. v. 1. give to, and receive from, one another 2. exchange or replace with another, usually of the same kind or category 3. change over, change around, as to a new order or sequence 4. hand over one and receive another, approximately equivalent 5. exchange a penalty for a less severe one. 
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(211) The exchange of goodwill missions greatly contributes to a better understanding between the two countries.
(212) I usually exchange a few words with my neighbour when I see him.
(213) The workings of the Stock Exchange are beyond most people's ken.
(214) After a frank exchange of ideas, the two of them finally broke down their long-standing prejudice against each other and became friends again.
More similar words: in exchange for, change, changeable, unchangeable, range, angel, orange, arrange, in danger, hang up, hang on, out of danger, arrangement, challenged, chance, channel, merchant, mechanic, by chance, mechanism, mechanical, take a chance, hand in hand, exceed, gang, excited, exclude, excuse me, angst, angle.