subtilize

/ˈsʌtəlaɪz/
verb
  1. To make something more subtle, refined, or delicate; to refine or elaborate in a clever or overly detailed way.
    • The chef would subtilize the sauce by adding herbs one at a time.
    • Philosophers often subtilize their arguments until they become hard to follow.
    • She tried to subtilize the design by smoothing every edge and curve.
Synonyms