'Momentarily' definitions:

Definition of 'momentarily'

From: WordNet
adverb
For an instant or moment; "we paused momentarily before proceeding"; "a cardinal perched momently on the dogwood branch" [syn: momentarily, momently]
adverb
At any moment; "she will be with you momently" [syn: momentarily, momently]

Definition of 'Momentarily'

From: GCIDE
  • Momentarily \Mo"men*ta*ri*ly\, adv.
  • 1. Every moment; from moment to moment. --Shenstone. [1913 Webster]
  • 2. In a moment; in the immediate future. [PJC]

Synonyms of 'momentarily'

From: Moby Thesaurus