régner

/ʁe.ɲe/
1.
verbInf1stPres

to reign

to rule (as a monarch); to exercise sovereign authority

Il veut régner sur tout le monde.

He wants to reign over everyone.

2.
verbInf1stPres

to prevail

to be widespread (of an atmosphere, feeling, situation)

Après l'annonce, il semble régner un silence total.

After the announcement, total silence seemed to prevail.