perfecting
per-fect-ing
noun
The ongoing process or act of making something completely faultless or ideal.
"The perfecting of the design was crucial."
verb
Making something flawless or significantly better through continuous effort and refinement.
"She is perfecting her baking skills."
Thesaurus
Synonyms: perfect, hone, exact, down, complete, cold, undefiled, mastered, immaculate, incorrupted, idealized, unflawed
Antonyms: imperfect