In a virtual manner; in efficacy or effect only, and not actually; to all intents and purposes; practically.
Webster 1828 Edition
Virtually
VIR'TUALLY
,
adv.
In efficacy or effect only; by means of some virtue or influence, or the instrumentality of something else. Thus the sun is virtually on earth by its light and heat. The citizens of an elective government are virtually present in the legislature by their representatives. A man may virtually agree to a proposition by silence or withholding objections.