euphemistic
Euphemistic language uses polite, pleasant, or neutral words and expressions to refer to things which people may find unpleasant, upsetting, or embarrassing to talk about, for example sex, the human body, or death. adj usu ADJ n
...a euphemistic way of saying that someone has been lying.
♦
euphemistically adv ADV with v
...political prisons, called euphemistically `re-education camps'.