explore

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To investigate systematically; examine: explore every possibility.
2. v. To search into or travel in for the purpose of discovery: exploring outer space.
3. v. Medicine To examine for diagnostic purposes.
4. v. To make a careful examination or search: scientists who have been known to explore in this region of the earth.

Century Dictionary and Cyclopedia

1. To search for; look for with care and labor; seek after.
2. To search through, examine, or investigate, especially for the purpose of making discoveries in general or for the discovery of some particular thing; hence, to examine or search into with care, for the purpose of ascertaining the appearance, nature, condition, circumstances, etc., of; inquire into; scrutinize; specifically, to traverse or range over (a part or country) for the purpose of geographical discovery: as, Moses sent spies to explore the land of Canaan; to explore a gunshot-wound to find the bullet.
3. Synonyms Scrutinize, etc. See search.

Wiktionary

1. v. intransitive, obsolete To seek for something or after someone.
2. v. transitive To examine or investigate something systematically.
3. v. transitive To travel somewhere in search of discovery.
4. v. intransitive, medicine To examine diagnostically.
5. v. transitive To (seek) experience first hand.
6. v. intransitive To be engaged exploring in any of the above senses.
7. v. intransitive To wander without any particular aim or purpose.

GNU Webster's 1913

1. v. obsolete To seek for or after; to strive to attain by search; to look wisely and carefully for.
2. v. To search through or into; to penetrate or range over for discovery; to examine thoroughly

WordNet 3.0

1. v. travel to or penetrate into
2. v. examine minutely
3. v. inquire into
4. v. examine (organs) for diagnostic purposes