prosopopoeia
noun
pro·so·po·poe·ia prə-ˌsō-pə-ˈpē-ə 
ˌprä-sə-pə-
1
: a figure of speech in which an imaginary or absent person is represented as speaking or acting
2
: personification
Word History
Etymology
borrowed from Latin prosōpopoeia, borrowed from Greek prosōpopoiía, from prósōpon "face, mask, role, person" (from pros- "facing, opposite" + -ōp- "eye, sight," hence, "the eyes, or sight, opposite own's own") + -poiia "making," from poi-, base of poieîn "to make" + -ia -ia — more at pros-, eye entry 1, poet
First Known Use
1550, in the meaning defined at sense 1