Mightiness

n.	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.

Noun

1.

mightiness - physical strength Synonyms: might, power

might, power, strength