Webster's Revised Unabridged Dictionary · 1913

Invest

Invest , transitive verb

[Latin investire, investitum; pref. in- in + vestire to clothe, from vestis clothing: compare French investir. See Vest.]

1.
To put garments on; to clothe; to dress; to array; -- opposed to divest. Usually followed by with, sometimes by in; as, to invest one with a robe.
2.
To put on. [Obsolete]
Can not find one this girdle to invest. — Spenser
3.
To clothe, as with office or authority; to place in possession of rank, dignity, or estate; to endow; to adorn; to grace; to bedeck; as, to invest with honor or glory; to invest with an estate.
I do invest you jointly with my power. — Shakespeare
4.
To surround, accompany, or attend.
Awe such as must always invest the spectacle of the guilt. — Hawthorne
5.
To confer; to give. [Rare]
It investeth a right of government. — Bacon
6.
(Military) To inclose; to surround or hem in with troops, so as to intercept reinforcements of men and provisions and prevent escape; to lay siege to; as, to invest a town.
7.
To lay out (money or capital) in business with the view of obtaining an income or profit; as, to invest money in bank stock.
8.
To expend (time, money, or other resources) with a view to obtaining some benefit of value in excess of that expended, or to achieve a useful pupose; as, to invest a lot of time in teaching one's children.

Invest , intransitive verb

To make an investment; as, to invest in stocks; -- usually followed by in.