Is “Thriven” a Scrabble word?
Yes
THRIVEN
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 Thriven
/ˈθɹɪvən/
verb
1.To grow or increase stature; to grow vigorously or luxuriantly, to flourish.
“Not all animals thrive well in captivity.”
2.To increase in wealth or success; to prosper, be profitable.
“Since expanding in June, the business has really thrived.”