Synonyms of respectfully

2 Syllables
fondly
3 Syllables
lovingly, sociably, courteously, dotingly, yearningly, tactfully
4 Syllables
kindheartedly, politely, benignantly, urbanely, endearingly, reverently, adoringly, rapturously, concernedly, regardfully, decorously
5 Syllables
ceremoniously, reverentially, attentively, enrapturedly
6 Syllables
appreciatively, considerately