to beautify by or as if by ornamentation; ornament; adorn.
2.
to enhance (a statement or narrative) with fictitious additions.
Origin: 1300–50; Middle English embelisshen < Anglo-French, Middle French embeliss- (stem of embelir), equivalent to em-em-1 + bel- (< Latin bellus pretty) + -iss--ish2
mid-14c., "to render beautiful," from O.Fr. embelliss-, pp. stem of embellir "make beautiful, ornament," from bel "beautiful," from L. bellus. Meaning "dress up (a narration) with fictitious matter" is from mid-15c.