expounds

verb
  1. 1

    To set out the meaning of; to explain or discuss at length

  2. 2

    To make a statement, especially at length.

    โ€œHe expounded often on the dangers of the imperial presidency.โ€

Synonyms

Source: https://en.wiktionary.org/wiki/expound, https://en.wiktionary.org/wiki/expounds