perfecting

/P ER0 F EH1 K T IH0 NG/
verb
  1. 1

    To make perfect; to improve or hone.

    โ€œI am going to perfect this article.โ€

  2. 2

    To take an action, usually the filing of a document in the correct venue, that secures a legal right.

    โ€œperfect an appeal; perfect an interest; perfect a judgmentโ€

noun
  1. 1

    The process of printing on both sides of the printed-on material during its single pass through the printing press.

Source: https://en.wiktionary.org/wiki/perfect, https://en.wiktionary.org/wiki/perfecting