involve

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To contain as a part; include.
2. v. To have as a necessary feature or consequence; entail: was told that the job would involve travel. See Synonyms at include.
3. v. To engage as a participant; embroil: involved the bystanders in his dispute with the police.
4. v. To connect closely and often incriminatingly; implicate: evidence that involved the governor in the scandal.
5. v. To influence or affect: The matter is serious because it involves your reputation.
6. v. To occupy or engage the interest of: a story that completely involved me for the rest of the evening.
7. v. To make complex or intricate; complicate.
8. v. To wrap; envelop: a castle that was involved in mist.
9. v. Archaic To wind or coil about.

Century Dictionary and Cyclopedia

1. To roll or fold in or wrap up so as to conceal; envelop on all sides; cover completely; infold; specifically, in zoology, to encircle completely: as, a mark involving a joint; wings involving the body.
2. To entwine; entangle; implicate; bring into entanglement or complication, literally or figuratively: as, an involved problem; to involve a nation in war; to be involved in debt.
3. To bring into a common relation or connection; hence, to include as a necessary or logical consequence; imply; comprise.
4. In arithmetic and algebra, to raise to any assigned power; multiply, as a quantity, into itself a given number of times: as, a quantity involved to the third or fourth power. Synonyms Entangle, etc. (see implicate); twine, intertwine, interweave, interlace.

Wiktionary

1. v. To roll or fold up; to wind round; to entwine.
2. v. To envelop completely; to surround; to cover; to hide; to involve in darkness or obscurity.
3. v. To complicate or make intricate, as in grammatical structure.
4. v. To connect with something as a natural or logical consequence or effect; to include necessarily; to imply.
5. v. To take in; to gather in; to mingle confusedly; to blend or merge.
6. v. To envelop, infold, entangle, or embarrass; as, to involve a person in debt or misery.
7. v. To engage thoroughly; to occupy, employ, or absorb.
8. v. mathematics To raise to any assigned power; to multiply, as a quantity, into itself a given number of times; as, a quantity involved to the third or fourth power.
9. v. Status: involved

GNU Webster's 1913

1. v. To roll or fold up; to wind round; to entwine.
2. v. To envelop completely; to surround; to cover; to hide; to involve in darkness or obscurity.
3. v. To complicate or make intricate, as in grammatical structure.
4. v. To connect with something as a natural or logical consequence or effect; to include necessarily; to imply.
5. v. rare To take in; to gather in; to mingle confusedly; to blend or merge.
6. v. To envelop, infold, entangle, or embarrass.
7. v. To engage thoroughly; to occupy, employ, or absorb.
8. v. (Math.) To raise to any assigned power; to multiply, as a quantity, into itself a given number of times.

WordNet 3.0

1. v. occupy or engage the interest of
2. v. have as a necessary feature
3. v. make complex or intricate or complicated
4. v. connect closely and often incriminatingly
5. v. engage as a participant
6. v. contain as a part
7. v. require as useful, just, or proper