Meaning of subtilize

sub•til•ize

Pronunciation: (sut'l-īz", sub'tu-līz"), [key]
— v., -ized, -iz•ing.
—v.t.
  1. to elevate in character; sublimate.
  2. to make (the mind, senses, etc.) keen or discerning; sharpen.
  3. to introduce subtleties into or argue subtly about.
  4. to make thin, rare, or more fluid or volatile; refine.
—v.i.
  1. to make subtle distinctions or to argue subtly.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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