oration (n.)

• address
• allocution
• debate
• declamation
• declaration
• diatribe
• discourse
• eulogy
• exhortation
• filibuster
• harangue
• homily
• inaugural
• invective
• jeremiad
• lecture
• monologue
• panegyric
• peroration
• philippic
• pitch
• reading
• recital
• recitation
• salutatory
• say
• screed
• speech
• spiel
• talk
• tirade
• valediction
• valedictory