weightily

from WordNet (r) 3.0 (2006)

weightily
    adv 1: in a serious manner; "the speech was weighty and it was
           weightily delivered"
    2: as something very heavy; "she moved weightily"

from The Collaborative International Dictionary of English v.0.48

Weightily \Weight"i*ly\, adv.
   In a weighty manner.
   [1913 Webster]

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