speechifying

/S P IY1 CH AH0 F AY0 IH0 NG/
verb
  1. 1

    To give a speech; to hold forth; to pronounce pompously or at length.

  2. 2

    (possibly obsolete) To make speeches to (someone); to address in a speech.

noun
  1. 1

    The art of making speeches; rhetoric or oratory.

  2. 2

    The act of speaking, especially at excessive length.

Source: https://en.wiktionary.org/wiki/speechify, https://en.wiktionary.org/wiki/speechifying