Noah Webster's New International Dictionary of the English Language

1. (v. t.) To roll or fold up; to wind round; to entwine.

2. (v. t.) To envelop completely; to surround; to cover; to hide; to involve in darkness or obscurity.

3. (v. t.) To complicate or make intricate, as in grammatical structure.

4. (v. t.) To connect with something as a natural or logical consequence or effect; to include necessarily; to imply.

5. (v. t.) To take in; to gather in; to mingle confusedly; to blend or merge.

6. (v. t.) To envelop, enfold, entangle, or embarrass; as, to involve a person in debt or misery.

7. (v. t.) To engage thoroughly; to occupy, employ, or absorb.

8. (v. t.) 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.