be as good as (one's) word

To be reliable and truthful. Said of one who typically follows through on one's promises. Tom is as good as his word—if he promised to help you move, then he'll be here.

Common Names:

Name	Pronounced	Usage
Apostolos	-	Greek
Martialis	-	Ancient Roman
Diomedes	die-ə-MEE-deez (English)	Greek Mythology
Firuz	-	Persian, Tajik
DemİR	-	Turkish
Saturninus	-	Ancient Roman