WordNet sense 1 (the act of delivering a formal spoken communication to an audience):

address, address

WordNet sense 2 ((language) communication by word of mouth):

language, oral communication, speech communication, spoken communication, spoken language, voice communication

WordNet sense 3 (your characteristic style or manner of expressing yourself orally):

delivery, manner of speaking

WordNet sense 4 (words making up the dialogue of a play):

words, actor's line

WordNet sense 5 (a lengthy rebuke):

lecture