experimentally
Definitions
In a manner based on or derived from experiments rather than theory.
By way of trial or testing to discover something unknown.
Examples
The new drug was proven experimentally to be effective against the virus.
We need to verify these theoretical calculations experimentally before proceeding with the project.
Synonyms
empirically tentatively provisionally by trial and error practically investigatively
Antonyms
theoretically hypothetically conclusively definitively provenly abstractly