fillip

n. something that provides a stimulus; stimulus, incentive, boost; flick of the finger

v. provide a stimulus; give a person incentive; strike something by snapping the fingertip

Showbiz is the debut album by Muse, the rock band from Devon, first released 9 September 1999 by Mushroom Records. The album was produced by John Leckie at Sawmill Studios, Cornwall. The tracks "Uno", "Cave" (though never had a music video in support), "Muscle Museum", "Sunburn", and "Unintended" were released as singles. The album has gone platinum in the United Kingdom since its release and has sold 700,000 copies worldwide. It failed to chart in the US and sold 100,000 copies there.
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Noun
1. anything that tends to arouse; "his approval was an added fillip"
(synonym) bonus
(hypernym) positive stimulus