EXPERIMENTALLY
experimentally, by experimentation, through an experiment
(adverb) in an experimental fashion; “this can be experimentally determined”
Source: WordNet® 3.1
Etymology
Adverb
experimentally (comparative more experimentally, superlative most experimentally)
in the manner of an experiment
Source: Wiktionary
Ex*per`i*men"tal*ly, adv.
Definition: By experiment; by experience or trial. J. S. Mill.
EXPERIMENTAL
Ex*per`i*men"tal, a. Etym: [Cf.F. expérimental.]
1. Pertaining to experiment; founded on, or derived from, experiment
or trial; as, experimental science; given to, or skilled in,
experiment; as, an experimental philosopher.
2. Known by, or derived from, experience; as, experimental religion.
Source: Webster’s Unabridged Dictionary 1913 Edition