Is “Gateway” a Scrabble word?
Yes
GATEWAY
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Gateway
/ˈɡeɪtˌweɪ/
noun
1.An entrance capable of being blocked by use of a gate.
2.Any point that represents the beginning of a transition from one place or phase to another.
3.A point at which freight moving from one territory to another is interchanged between transportation lines.
verb
1.(digital communications) To make available via a gateway, or access point.