Triumphantly rhymes with:
abundantly, accidently, adamantly, apparently, ardently, arrogantly, blatantly, brilliantly, coherently, complacently, concomitantly, concurrently, confidently, consequently, consistently, constantly, conveniently, currently, decently, defiantly, differently, diligently, efficiently, elegantly, eloquently, eminently, evidently, excellently, extravagantly, exultantly, fervently, flagrantly, flamboyantly, fluently, fluorescently, fraudulently, frequently, gallantly, hesitantly, imminently, impatiently, importantly, imprudently, inadvertently, incessantly, incoherently, incompetently, independently, indignantly, inefficiently, infrequently, inherently, innocently, insistently, instantly, insufficiently, intelligently, intermittently, leniently, magnificently, militantly, negligently, obediently, patently, patiently, permanently, persistently, pleasantly, poignantly, predominantly, presently, prominently, prudently, pungently, recently, reluctantly, reverently, significantly, silently, stridently, stringently, subsequently, sufficiently, transparently, unpleasantly, urgently, valiantly, vehemently, violently, virulently