Mightiness
Pronunciation : Might"i*ness
Part of Speech : n.
Definition : 1. The quality of being mighty; possession of might; power; greatness; high dignity. How soon this mightiness meets misery. Shak.
2. Highness; excellency; -- with a possessive pronoun, a title of dignity; as, their high mightinesses.
Source : Webster's Unabridged Dictionary, 1913