orate
verb
[ ˈɔːreɪt ]
• make a speech, especially pompously or at length.
• "Hamlet thinks, speaks, orates, and acts"
Similar:
declaim,
make a speech,
hold forth,
speak,
discourse,
pontificate,
preach,
sermonize,
sound off,
spout off,
spiel,
speechify,
mouth off,
perorate,
Origin:
early 17th century: back-formation from oration.