Here's what rhymes with oscillatingly.
gratingly fascinatingly hesitatingly irritatingly aggravatingly nauseatingly titillatingly devastatingly penetratingly calculatingly accommodatingly deprecatingly exasperatingly humiliatingly illuminatingly infuriatingly invigoratingly unhesitatingly excruciatingly ingratiatingly intimidatingly Words that almost rhyme with oscillatingly
ragingly engagingly amazingly rakishly basically creatively unfailingly animatedly scathingly unavailingly abrasively piratically evasively pervasively imitatively jadedly qualitatively authoritatively persuasively algebraically appreciatively collaboratively meditatively prosaically entertainingly lackadaisically exaggeratedly legislatively uncomplainingly complicatedly exasperatedly manipulatively administratively