The Collaborative International Dictionary
Regardfully
Regardful \Re*gard"ful\ (-f?l), a. Heedful; attentive; observant. -- Re*gard"ful*ly, adv.
Let a man be very tender and regardful of every pious
motion made by the Spirit of God to his heart.
--South.
Syn: Mindful; heedful; attentive; observant.
Wiktionary
regardfully
adv. In a regardful manner; respectfully.