Source : Webster's Revised Unabridged Dictionary (1913)

Levigate \Lev"i*gate\ (-g[=a]t), v. t. [imp. & p. p. {Levigated}
   (-g[=a]`t[e^]d); p. pr. & vb. n. {Levigating}.] [L.
   levigatus, p. p. of levigare to make smooth, fr. l[=e]vis
   smooth; akin to Gr. lei^os.]
   To make smooth in various senses:
   (a) To free from grit; to reduce to an impalpable powder or
       paste.
   (b) To mix thoroughly, as liquids or semiliquids.
   (c) To polish.
   (d) To make smooth in action. `` When use hath levigated the
       organs.'' --Barrow.
   (e) Technically, to make smooth by rubbing in a moist
       condition between hard surfaces, as in grinding pigments.