'Weightily' definitions:
Definition of 'weightily'
(from WordNet)
adverb
In a serious manner; "the speech was weighty and it was weightily delivered"
adverb
As something very heavy; "she moved weightily"
Definition of 'Weightily'
From: GCIDE
- Weightily \Weight"i*ly\, adv. In a weighty manner. [1913 Webster]