Nouns

(n)speaking, speech productionthe utterance of intelligible speech
(n)public speaking, speechmaking, speaking, oral presentationdelivering an address to a public audience“people came to see the candidates and hear the speechmaking”

Adjectives

(a)speakingcapable of or involving speech or speaking“human beings--the speaking animals”, “a speaking part in the play”
(s)speech-endowed, speakingcapable of speech“the speaking animal”