Improvising rhymes with:
televising, supervising, televising, advertising, aggrandizing, alphabetizing, amortizing, analyzing, antagonizing, apologizing, appetizing, authorizing, brutalizing, cannibalizing, capitalizing, categorizing, centralizing, characterizing, circularizing, colorizing, commercializing, compromising, computerizing, criminalizing, criticizing, crystallizing, customizing, decentralizing, deemphasizing, dehumanizing, demilitarizing, demobilizing, democratizing, demonizing, demoralizing, denationalizing, departmentalizing, depressurizing, desensitizing, destabilizing, digitizing, downsizing, dramatizing, economizing, editorializing, emphasizing, energizing, enterprising, equalizing, exercising, fantasizing, federalizing, fertilizing, finalizing, formalizing, fraternizing, galvanizing, generalizing, harmonizing, hellenizing, humanizing, hydrolyzing, idealizing, idolizing, immobilizing, immunizing, industrializing, ionizing, ironizing, itemizing, jeopardizing, legalizing, legitimizing, liberalizing, marginalizing, materializing, maximizing, memorizing, merchandising, mesmerizing, minimizing, mischaracterizing, misrecognizing, mobilizing, modernizing, monopolizing, moralizing, nationalizing, naturalizing, neutralizing, normalizing, organizing, overemphasizing, oxidizing, paralyzing, pasteurizing, patronizing, penalizing, personalizing, polarizing, politicizing, popularizing, pressurizing, prioritizing, privatizing, proselytizing, publicizing, rationalizing, realizing, reanalysing, reauthorizing, recapitalizing, recognizing, reorganizing, revitalizing, revolutionizing, romanticizing, sanitizing, satirizing, scrutinizing, securitizing, self-aggrandizing, self-energizing, self-fertilizing, socializing, specializing, stabilizing, standardizing, sterilizing, stigmatizing, subsidizing, summarizing, supervising, symbolizing, sympathizing, synchronizing, synthesizing, tantalizing, televising, temporizing, terrorizing, theorizing, tranquilizing, trivializing, unappetizing, unionizing, utilizing, vandalizing, verbalizing, visualizing, womanizing