Nicitise Share definition Flag 1. The act of making something nicer. - can be any aspect of an object/being (asthetic or not) That garden looked/felt bad until i nicitised it. NOTE: is NOT the same as "beautify" Nicitise by Janelle Parker October 16, 2008 0 0 Get merch Get the Nicitise mug. Buy Now — $32.95 See more merch