The Collaborative International Dictionary of English v.0.48:

Euphemistic \Eu`phe*mis"tic\, Euphemistical \Eu`phe*mis"tic*al\,
   a.
   Pertaining to euphemism; containing a euphemism; softened in
   expression. -- Eu`phe*mis"tic*al*ly, adv.
   [1913 Webster]