Feline Stimulant
This page is the CodyCross answer for the clue below from Circus, Group 99, Puzzle 3 (Knockabout Act).
Question is: Feline Stimulant
and the answer is: CATNIP
Word Meaning:
CATNIP — Any of the about 250 species of flowering plant of the genus Nepeta, family Lamiaceae, certain of which are said to have medicinal qualities.
Definitions from Wiktionary.