lecturing

(noun) teaching by giving a discourse on some subject (typically to a class). Synonyms: lecture.

(verb) deliver a lecture or talk. Synonyms: lecture, talk. Examples: "She will talk at rutgers next week." "Did you ever lecture at harvard?."

(verb) censure severely or angrily. Synonyms: call on the carpet, take to task, rebuke, rag, trounce, reproof, lecture, reprimand, jaw, dress down, call down, scold, chide, berate, bawl out, remonstrate, chew out, chew up, have words, lambaste, lambast. Examples: "The mother scolded the child for entering a stranger's car." "The deputy ragged the prime minister." "The customer dressed down the waiter for bringing cold soup."