controverting

/K AA0 N T R AH0 V ER1 T IH0 NG/
verb
  1. 1

    To dispute, to argue about (something).

  2. 2

    To argue against (something or someone); to contradict, to deny.

  3. 3

    To be involved or engaged in controversy; to argue.

Source: https://en.wiktionary.org/wiki/controvert, https://en.wiktionary.org/wiki/controverting