Adjective

(en adjective)

Pertaining to or founded on experiment.

Chemistry is an experimental science .

# (sciences) nbsp; Serving to be experimented upon.

R was a member of the experimental group , Z was a member of the control group.

Serving as an experiment; serving to experiment.

*{{quote-magazine, year=2012, month=March-April

, author=Colin Allen , title=Do I See What You See? , volume=100, issue=2, page=168 , magazine=(American Scientist) citation , passage=Numerous experimental tests and other observations have been offered in favor of animal mind reading, and although many scientists are skeptical, others assert that humans are not the only species capable of representing what others do and don’t perceive and know.}}

his experimental band

an experimental engine

Experiential, empirical.

experimental knowledge

Adjective

(en adjective)

Favouring or promoting progress; advanced.

Gradually advancing in extent; increasing.

Promoting or favoring progress towards improved conditions or new policies, ideas or methods.

a progressive politician

progressive business leadership

Of or relating to progressive education.

a progressive school

(of an income tax or other tax) Increasing in rate as the taxable amount increases.

Advancing in severity.

progressive paralysis

liberal (politically)

(grammar) continuous