Momentarily

Adverb

1. In a momentary manner; for a moment or instant.
2. In a moment or very soon; any minute now, any time now.

   "The system will restart momentarily."

3. Progressively; moment by moment.
4. 1 2 3 “Just a Moment”, by William Safire, New York Times, May 11, 1997
5. 1 2 3 4 I Stand Corrected: More on Language, by William Safire pp. 137–138