adjective
(formal, dated except poetic) Possessing discernment and wisdom; learned, wise.
Attempting to appear discerning or wise.
Followed by of: aware or knowledgeable of.
Of a lifeform or species: possessing intelligence or a high degree of self-awareness.
(anthropology) Of, pertaining to, or characteristic of Homo sapiens (modern human beings).
(obsolete, rare) Having a (good) flavour or taste; sapid.
noun
(archaic except humorous) A wise person; a sage.
(by extension, science fiction) An intelligent, self-aware being.
(anthropology) A human being of the species Homo sapiens.