Is “Tonic” a Scrabble word?
Yes
TONIC
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 Tonic
/ˈtɒnɪk/
noun
1.A substance with medicinal properties intended to restore or invigorate.
“We used to brew a tonic from a particular kind of root.”
2.Tonic water.
3.(Massachusetts) Any of various carbonated, non-alcoholic beverages; soda pop.
adjective
1.Pertaining to tension, especially of muscles.
2.Restorative, curative or invigorating.
“The arrival of the new members had a tonic effect on the team.”