'Essentially' definitions:

Definition of 'essentially'

From: WordNet
adverb
In essence; at bottom or by one's (or its) very nature; "He is basically dishonest"; "the argument was essentially a technical one"; "for all his bluster he is in essence a shy person" [syn: basically, fundamentally, essentially]

Definition of 'Essentially'

From: GCIDE
  • Essentially \Es*sen"tial*ly\, adv. In an essential manner or degree; in an indispensable degree; really; as, essentially different. [1913 Webster]