a reflecting surface, originally of polished metal but now usually of glass with a silvery, metallic, or amalgam backing.

such a surface set into a frame, attached to a handle, etc., for use in viewing oneself or as an ornament.

any reflecting surface, as the surface of calm water under certain lighting conditions.

Optics . a surface that is either plane, concave, or convex and that reflects rays of light.

something that gives a minutely faithful representation, image, or idea of something else

Gershwin's music was a mirror of its time.

a pattern for imitation; exemplar

a man who was the mirror of fashion.

a glass, crystal, or the like, used by magicians, diviners, etc.

to reflect in or as if in a mirror.

to reflect as a mirror does.

to mimic or imitate (something) accurately.

to be or give a faithful representation, image, or idea of

Her views on politics mirror mine completely.

Music . (of a canon or fugue) capable of being played in retrograde or in inversion, as though read in a mirror placed beside or below the music. ?

with mirrors

by or as if by magic.

noun

cheval glass , gaper , hand glass , imager , looking glass , pier glass , polished metal , reflector , seeing glass , speculum , beau ideal , example , exemplar , ideal , paradigm , pattern , standard , looking-glass

verb

act like , depict , double , echo , embody , emulate , epitomize , exemplify , follow , glass , illustrate , image , imitate , make like , mimic , personify , represent , show , simulate , symbolize , take off * , typify , parrot , reflect , repeat , ape , copy , exemplar , looking glass , model , reflection , speculum