Synonyms of the word 
SUBTILISE → HEIGHTEN - SHARPEN - SUBTILIZE
subtilise
- v. Alternative spelling of subtilize.
heighten
- v. To make high; to raise higher; to elevate.
- v. To advance, increase, augment, make larger, more intense, stronger etc.
sharpen
- v. (transitive, sometimes figuratively) To make sharp.
subtilize
- v. (transitive) To make subtle; to make thin or fine; to make less gross or coarse.
- v. (transitive) To refine; to spin into niceties.
- v. (intransitive) To use subtle arguments or distinctions.
If you are interested in words, visit the following sites :
- wiktionary.org/subtilise For complete definition of a word
- 1word.ws/subtilise to play with words, suffixs, prefixs, etc.