empirical
- adj.

1. 1. Relying on or derived from observation or experiment: empirical results that supported the hypothesis.
2. Verifiable or provable by means of observation or experiment: empirical laws.
2. Guided by practical experience and not theory, especially in medicine.

origin:1569, from L. empiricus, from Gk. empeirikos "experienced," from empeiria "experience," from empeiros "skilled," from en- "in" + peira "trial, experiment."

empirically em·pir'i·cal·ly adv.

empire - n.
1.
a. A political unit having an extensive territory or comprising a number of territories or nations and ruled by a single supreme authority.
b. The territory included in such a unit.
2. An extensive enterprise under a unified authority: a publishing empire.
3. Imperial or imperialistic sovereignty, domination, or control: "There is a growing sense that the course of empire is shifting toward the . . . Asians" (James Traub).
[Middle English, from Old French, from Latin imperium, from imperre, to command; see emperor.]

Related words
adjective imperial
Quotations
"All empire is no more than power in trust" [John Dryden Absalom and Achitophel]