Definition of invest as
: to give (someone) the power and authority of (a particular position or title) The group invested her as chairperson.
Word by Word Definitions
: to array in the symbols of office or honor
: to furnish with power or authority
: to grant someone control or authority over : vest
: to commit (money) in order to earn a financial return
: to make use of for future benefits or advantages
: to involve or engage especially emotionally
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