Английский разговорный словарь (основной) - subtilize
Subtilize
subtilize
ˈsʌtɪlaɪz v. (also -ise) 1 tr. a makesubtle. b elevate; refine. 2 intr. (usu. foll. by upon) argue or reason subtly. øøsubtilization n. [F subtiliser or med.L subtilizare (as SUBTLE)]