The most common and most likely answer to this crossword clue is the 6 letter word TONICS
I've seen this crossword clue in Financial Times
T
O
N
I
C
S
More clues leading to the result TONICS
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The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TONICS mean?
TONICS noun- A substance with medicinal properties intended to restore or invigorate.
- Tonic water.
- (Massachusetts) Any of various carbonated, non-alcoholic beverages; soda pop.
- Someone or something that revitalises or reinvigorates.
- The first note of a diatonic scale; the keynote.
- The triad built on the tonic note.
- A tonic element or letter; a vowel or a diphthong.