To inform somebody, especially to supply someone missing or missed information.
To substitute for somebody or something.
To complete a form or questionnaire with requested information.
To beat up; to physically assault.
To fill; to replace material that is absent or has been removed.
To make (something or someone) known by formal announcement or recommendation.
To cause (someone) to be acquainted (with someone else).
To add (something) to a system, a mixture, or a container.
To bring (something) into practice.