(n.) The quality of being heady.

acerbity acescency acidity acidulousness acridity acridness astringence astringency bitter pill bitterness brilliance causticity cleverness dash dryness facetiousness funniness gall gall and wormwood greenness headiness humorousness hyperacidity jocoseness jocularity joking joshing keen-wittedness keenness liveliness nimble-wittedness odorousness pep piquancy pleasantry poignancy quick-wittedness raciness saltiness sharpness smartness smelliness sour sourishness sourness sparkle spirit subacidity tartishness tartness unripeness unsweetness verjuice verve vinegariness vinegarishness vivacity vividness wittiness