Is “Thinker” a Scrabble word?
Yes
THINKER
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 Thinker
/ˈθɪŋ.kəɹ/
noun
1.One who spends time thinking, contemplating or meditating.
2.An intellectual, such as a philosopher or theologian.