Is there a word that means "a nicer word for a word"? [duplicate]
Euphemism: "a mild or indirect word or expression substituted for one considered to be too harsh or blunt when referring to something unpleasant or embarrassing." Google euphemism
Euphemism: "the substitution of an agreeable or inoffensive expression for one that may offend or suggest something unpleasant"
http://www.merriam-webster.com/dictionary/euphemism