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 include (e.g. a certain word or phrase) into a sentence discreetly
To enter discreetly
To play a subtle pass into someone in a goalscoring position.