To take on, to take the form of.
To invest (someone) with a given quality, property etc.; to endow.
To put on (a piece of clothing); to clothe (someone with something).
To help a candidate to the succession of a monarchy (as a kingmaker does), or by extension in any other major organisation.
To put on the throne in a formal installation ceremony called enthronement, equivalent to (and often combined with) coronation and/or other ceremonies of investiture