Stimulus or Incentive Crossword Clue

Stimulus or incentive. Crossword clue at Scottish Daily Mail on 24 May 2017, 6 letters.

The answer is FILLIP

FILLIP Meaning

noun
1. something that acts as a stimulus or boost to an activity.
“the halving of the automobile tax would provide a fillip to sales”
synonyms: stimulus, stimulation, boost, incentive, impetus;
2. archaic
a movement made by bending the last joint of a finger against the thumb and suddenly releasing it; a flick of the finger.
“the Prince, by a fillip, made some of the wine fly in Oglethorpe’s face”
a slight smart stroke or tap.
“she began to give him dainty fillips on the nose with a soft forepaw”