levigate

v. t. [ imp. & p. p. Levigated p. pr. & vb. n. Levigating. ] [ L. levigatus, p. p. of levigare to make smooth, fr. lēvis 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. [ 1913 Webster ]