'Initially' definitions:

Definition of 'initially'

From: WordNet
adverb
At the beginning; "at first he didn't notice anything strange" [syn: initially, ab initio]

Definition of 'Initially'

From: GCIDE
  • Initially \In*i"tial*ly\, adv. In an initial or incipient manner or degree; at the beginning. --Barrow. [1913 Webster]

Synonyms of 'initially'

From: Moby Thesaurus