What is the meaning of set off?

verb

10
 
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APAWordNet. (2010). set off. Retrieved September 25, 2018, from http://smartdefine.org/set_off/definitions/1309989
ChicagoWordNet. 2010. "set off" http://smartdefine.org/set_off/definitions/1309989 (accessed September 25, 2018).
HarvardWordNet 2010, set off, Smart Define, viewed 25 September, 2018, <http://smartdefine.org/set_off/definitions/1309989>.
MLAWordNet. "set off" 23 October 2010. Web. 25 September 2018. <http://smartdefine.org/set_off/definitions/1309989>
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