euphemistically

euphemism | American Dictionary

euphemism
noun[ C/U ]
us/ˈju·fəˌmɪz·əm/
the use of a word or phrase to avoid saying another word or phrase that may be unpleasant or offensive, or the word or phrase used:
[ C ]The phrase “left to pursue other interests” is a euphemism for “fired.”

euphemistic

adjectiveus/ˌju·fəˈmɪs·tɪk/
euphemistic words for “dead”