Witnessing rhymes with:
harnessing, menacing, buttressing, canvassing, embarrassing, encompassing, focusing, grimacing, harnessing, menacing, necklacing, practicing, promising, purchasing, refocusing, repurchasing, resurfacing, surfacing
harnessing, menacing, buttressing, canvassing, embarrassing, encompassing, focusing, grimacing, harnessing, menacing, necklacing, practicing, promising, purchasing, refocusing, repurchasing, resurfacing, surfacing