ex·plore 
(ĭk-splôr)
(ĭk-splôr)v. ex·plored, ex·plor·ing, ex·plores
v.tr.
1. To investigate systematically; examine: explore every possibility.
2. To search into or travel in for the purpose of discovery: exploring outer space.
3. Medicine To examine (a body cavity or interior part) for diagnostic purposes, especially by surgery.
v.intr.
To make a careful examination or search: scientists who have been known to explore in this region of the earth.
[Latin explōrāre : ex-, ex- + perhaps plōrāre, to cry out, as to rouse game.]