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
Antonius	an-TO:-ni-uws (Ancient Roman), ahn-TO-nee-us (Dutch)	Ancient Roman, Dutch
Laine	LIE-ne	Estonian
Nanda	-	Hinduism, Indian, Kannada, Tamil
Amarilis	-	Spanish
Letty	['leti]
Fedora	-	Russian