Mightily

Adverb

 * 1) In a mighty manner.

Thesaurus
almighty, arduously, authoritatively, awfully, big, cogently, commandingly, consequentially, deafeningly, dynamically, effectively, effectually, energetically, ex cathedra, exceedingly, extremely, firmly, forcefully, forcibly, greatly, hardly, heartily, highly, hugely, imperatively, imperviously, impregnably, intensely, invincibly, invulnerably, irresistibly, just, laboriously, loudly, lustily, might and main, mighty, momentously, notably, officially, only too, potently, powerful, powerfully, pretty, productively, puissantly, pungently, quite, real, really, resistantly, right, robustly, ruggedly, so, soundly, stalwartly, staunchly, stoutly, strenuously, strikingly, strongly, sturdily, surpassingly, tellingly, terribly, terrifically, to good account, to good purpose, toilsomely, unyieldingly, very, vigorously, weightily, with a vengeance, with authority, with telling effect

Etymology
From mighty: + -ly:.

Translations

 * Finnish: mahtavasti


 * Hebrew: ביד רמה