Here's what rhymes with amusingly.
musingly accusingly confusingly Words that almost rhyme with amusingly
approvingly soothingly movingly reprovingly disapprovingly musically broodingly foolishly brutishly ghoulishly prudishly unassumingly nudity abusively allusively elusively rebukingly conclusively impunity reputedly acoustically effusively inclusively obtrusively intrusively delusively doohickey gratuity unobtrusively fatuity exclusively incongruity incredulity perpetuity discontinuity