Euphemism

n. substitution of a milder or socially acceptable word or phrase for one that is harsher or more unpleasant; word or phrase that is neutral and socially acceptable than a harsher or more unpleasant one; use of a word or phrase that is neutral and socially acceptable than the use of a harsher or more unpleasant one

Euphemism is the substitution of an agreeable or less offensive expression for one that may offend or suggest something unpleasant to the listener; or in the case of doublespeak, to make it less troublesome for the speaker.
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Noun
1. an inoffensive expression that is substituted for one that is considered offensive
(antonym) dysphemism
(hypernym) saying, expression, locution
(hyponym) blank
(derivation) euphemize, euphemise
(class) asleep(p), at peace(p), at rest(p), deceased, departed, gone

(n.)
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.
  

n.
بري بات کا اس طور پر کہنا جس سے کوئي ناراض نہ ہو, کومل باني, شکر ريزي