subtilize

subtilize (third-person singular simple present subtilizes, present participle subtilizing, simple past and past participle subtilized)

1. (transitive) To make subtle; to make thin or fine; to make less gross or coarse.
2. (transitive) To refine; to spin into niceties.

   to subtilize arguments

   • Burke

     Nor as yet have we subtilized ourselves into savages.

3. (intransitive) To use subtle arguments or distinctions.