Simple past tense and past participle of subtilize.(verb)
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Use "subtilized" in a sentence
""And if I don't pay you the doubtful compliment of saying that you have the Balliol manner, you have at least a kind of subtilized reminiscence of it.""
"But the Web can provide a kind of substitute for some of this duration and locale -- it can inform the TAZ, from its inception, with vast amounts of compacted time and space which have been "subtilized" as data."
"Some of the B words had highly subtilized meanings, barely intelligible to anyone who had not mastered the language as a whole."