Was heißt »sittsam« auf Englisch?

Das Adjektiv »sittsam« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Synonyme

You look like you haven't had a decent meal in days.
My grandad bought himself a decent bike, but didn't get round to using it.
Your father was a decent and helpful man.
Mary lacks the teaching materials she needs to give a decent class.
As far as I know he is a decent fellow enough.
You're a fairly decent chess player.
No one who is a decent human being could possibly support this project.
He asked the landlord whether he had any decent wine.
Win or lose, I hope we manage to play some decent football.
It's always a challenge to translate these Japanese dialogues into halfway decent, natural-sounding German.
The bus service is surprisingly decent, though a reduced service operates during winter.
Forced work is pointless: I attract them with decent pay.
Tom seems to be a decent guy.
Tycho Brahe, though of noble decent, married a commoner. Together they had three sons and five daughters.
Tom's a decent, law-abiding citizen.
Tom and Mary haven't had a decent night's sleep since the birth of their baby six months ago.
Put on some decent clothes.
With this much money, I could buy a very decent used car.
Tom said he couldn't find a decent place to live.
A skilled mechanic makes decent money.