that is to say

In other words.

See also: say

Name	Pronounced	Usage
Bea	BEE	English
Guinevere	GWIN-ə-vir (English)	Arthurian Romance
Marijke	MAH-rie-kə	Dutch
SobiesŁAw	saw-BYES-wahf	Polish
Tal	-	Hebrew
Toussaint	-	French