puissantly


puis·sance

P0651700 (pwĭs′əns, pyo͞o′ĭ-səns, pyo͞o-ĭs′əns)n. Power; might.
[Middle English, from Old French, from poissant, powerful, present participle of pooir, to be able; see power.]
puis′sant adj.puis′sant·ly adv.