Mediating rhymes with:
radiating, repudiating, abbreviating, affiliating, alleviating, appreciating, appropriating, asphyxiating, associating, delineating, depreciating, deviating, differentiating, emaciating, enunciating, excoriating, excruciating, humiliating, inebriating, infuriating, ingratiating, initiating, instantiating, misappropriating, nauseating, negotiating, obviating, officiating, permeating, radiating, recreating, renegotiating, repatriating, repudiating, retaliating
Mediating sounds like:
maddening, madding, madness, madonna's, maidens, maintaining, maintains, maintenance, mandamus, mandating, manhattan's, matinees, mating, matting, meat-eating, medianews, meditating, meditations, mediums, mednick, meeting, meeting's, meetings, mending, mendonca, mendonsa, mentink, mentioning, mentions, methanex, mindedness, minding, minnetonka, minting, mitnick, mittens, modems, monadnock, monatomic, monotonous, montana's, montanans, montanez, motioning, motions, motown's, mountain's, mountainous, mountains, mounting, mouthing, muddying, munitions, mutating, mutations, muting, mutinies, mutinous