Answer:

tonic

Answer	Crossword Clue
TONIC	Vodka ...
TONIC	Invigorating substance
TONIC	Mixer with gin or vodka

TONIC	Vodka go-with
TONIC	Vodka mixer
TONIC	Bartender's supply
TONIC	Gin's partner in a classic drink
TONIC	Picker-upper
TONIC	Bubbly mixer
TONIC	Gin's partner
TONIC	Elixir

TONIC	Boston pop
TONIC	Mixer
TONIC	Refresher
TONIC	Mixer of a sort
TONIC	Gin's go-with
TONIC	Real eye-opener
TONIC	Partner of 29-Down
TONIC	Bar need

TONIC	Pick-me-up
TONIC	Medicine for what ails you
TONIC	Restorative
TONIC	Bracing
TONIC	Bar staple
TONIC	Quinine water