importantly

Adverbial importantly has 2 senses

• importantly(r = adv.all) significantly - in an important way or to an important degree; "more importantly, Weber held that the manifold meaning attached to the event by the social scientist could alter his definition of the concrete event itself"
• importantly(r = adv.all) - in an important way; "for centuries jellies have figured importantly among English desserts, particularly upon festive occasion"