The Collaborative International Dictionary of English v.0.48:
Involve \In*volve"\, v. t. [imp. & p. p. Involved; p. pr. &
vb. n. Involving.] [L. involvere, involutum, to roll about,
wrap up; pref. in- in + volvere to roll: cf. OF. involver.
See Voluble, and cf. Involute.]
1. To roll or fold up; to wind round; to entwine.
Some of serpent kind . . . involved
Their snaky folds. --Milton.
2. To envelop completely; to surround; to cover; to hide; to
involve in darkness or obscurity.
And leave a sing[`e]d bottom all involved
With stench and smoke. --Milton.
3. To complicate or make intricate, as in grammatical
structure. "Involved discourses." --Locke.
4. To connect with something as a natural or logical
consequence or effect; to include necessarily; to imply.
His end with mine involved. --Milton.
The contrary necessarily involves a contradiction.
5. To take in; to gather in; to mingle confusedly; to blend
or merge. [R.]
The gathering number, as it moves along,
Involves a vast involuntary throng. --Pope.
Earth with hell
To mingle and involve. --Milton.
6. To envelop, infold, entangle, or embarrass; as, to involve
a person in debt or misery.
7. To engage thoroughly; to occupy, employ, or absorb.
"Involved in a deep study." --Sir W. Scott.
8. (Math.) 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.
Syn: To imply; include; implicate; complicate; entangle;
Usage: To Involve, Imply. Imply is opposed to express, or
set forth; thus, an implied engagement is one fairly
to be understood from the words used or the
circumstances of the case, though not set forth in
form. Involve goes beyond the mere interpretation of
things into their necessary relations; and hence, if
one thing involves another, it so contains it that the
two must go together by an indissoluble connection.
War, for example, involves wide spread misery and
death; the premises of a syllogism involve the