subtilize

To render subtle.

To argue or discuss with subtlety; make fine distinctions.

To make thin or fine; make less gross or coarse; refine or etherealize, as matter; spin out finely, as an argument.

To refine; elaborate or spin out, as in argument; make very nice distinctions; split hairs.

Also spelled subtilise.

To refine in argument; to make very nice distinctions.

To make thin or fine; to make less gross or coarse.

To refine; to spin into niceties.

To make subtle

To use subtle arguments or distinctions