take it for granted

to believe that something is true without first thinking about it or making sure that it is true (usually + that ) I'd always seen them together and just took it for granted that they were married.

Common Names:

Name	Pronounced	Usage
Cunobelinus	kyoo-no-bə-LIEN-əs (English)	Ancient Celtic
Spas	-	Bulgarian
Triinu	-	Estonian
Madelaine	-	English (Rare)
Hella	HE-lah (German)	Swedish, Norwegian, Danish, German
Ural	-	Bashkir