puissant

adj

1. (archaic, literary)Powerful, mighty, having authority.

   “Awake remembrance of these valiant dead, / And with your puissant arm renew their feats.”

   “For who can yet believe, though after loss, That all these puissant legions, whose exile Hath emptied Heaven, shall fail to re-ascend, Self-raised, and repossess their native seat?”

   “I cried in a loud voice, "Long live the most puissant king of Lilliput!"”

   “How comes all this, if there be not something puissant in whaling?”

   “‘O noble breast and all-puissant arms, Am I the cause, I the poor cause that men Reproach you, saying all your force is gone?”