informed

(verb) impart knowledge of some fact, state or affairs, or event to. Synonyms: inform. Example: "I informed him of his rights."

(verb) give character or essence to. Synonyms: inform. Example: "The principles that inform modern teaching."

(verb) act as an informer. Synonyms: inform. Example: "She had informed on her own parents for years."

(adj) having much knowledge or education. Synonyms: informed (vs. uninformed). Examples: "An informed public." "Informed opinion." "The informed customer."