trite
predictable
unoriginal
cliched
Son discours était trop convenu ; on savait déjà tout ce qu'il allait dire.
His speech was too clichéd; we already knew everything he was going to say.
agreed upon
arranged
decided
scheduled
On se retrouve à l'heure convenue devant la gare.
We'll meet at the agreed time in front of the station.