verb
-vests; -vested; -vesting
to use money to earn more money :to use your money to purchase stock in a company, to buy property, etc., in order to make future profit [no obj]
to spend (money) on building or improving something - usually + in; [+ obj]
[+ obj] :to give your time or effort in order to do something or make something better - usually + in
[+ obj] formal :to provide (someone or something) with (something)
invest as
[phrasal verb]
invest (someone) as (something) formal :to give (someone) the power and authority of (a particular position or title)
invest in
[phrasal verb]
invest in (something) informal :to spend money on (something useful or helpful to yourself)