WordWeb Online

1. Impart knowledge of some fact, state or affairs, or event to
   "I informed him of his rights"
    
2. Give character or essence to
   "The principles that inform modern teaching"
    
3. Act as an informer
   "She had informed on her own parents for years"

Derived forms: informs, informing, informed

See also: informant, information, informative, informer, informing

Type of: alter, change, communicate, intercommunicate, modify

Encyclopedia: Inform