EUPHEMISM
euphemism
(noun) an inoffensive or indirect expression that is substituted for one that is considered offensive or too harsh
Source: WordNet® 3.1
Etymology
Noun
euphemism (countable and uncountable, plural euphemisms)
(uncountable) The use of a word or phrase to replace another with one that is considered less offensive, blunt or vulgar than the word or phrase which it replaces.
(countable) A word or phrase that is used to replace another in this way.
Antonyms
• dysphemism
• expletive
Source: Wiktionary
Eu"phe*mism, n. Etym: [Gr. euphémisme. See Fame.] (Rhet.)
Definition: A figure in which a harts or indelicate word or expression is
softened; a way of describing an offensive thing by an inoffensive
expression; a mild name for something disagreeable.
Source: Webster’s Unabridged Dictionary 1913 Edition