say it: ri-SPEKT-fuh-lee
respectfully is an adverb meaning "in a respectful manner". It carries one recorded sense.
in a respectful manner
“might I respectfully suggest to the Town Council that they should adopt a policy of masterly inactivity?”
Definitions, synonyms and semantic relations for respectfully come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.