surely, certainly
Mon ex, il appelle surement pour gâcher une bonne fête des mères.
My ex is probably calling to ruin a nice Mother's Day.
— The Machinist (2004)
C'était surement pour jouer la diversité.
It was probably to play on diversity.
Je sais que tu ne dois surement pas me comprendre.
I know you probably don't understand me.
— Avatar (2009)