Definition of "regardful" [re•gard•ful]

• Showing attention; heedful. (adjective)
• Showing deference; respectful. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "And I submit that you, like me, need to start being “regardful” of the cost – to YOURSELF, not just the cost to others (which seems to be in the currency of disappointment, most times)."
• "Roumiyah, a Greek girl, by name Sofiyah or Sophia,145 whom the King of Roum and Lord of Cæsarea had sent to King Omar as a present, together with great store of gifts and of rarities: she was the fairest of favour and loveliest of all his handmaids and the most regardful of her honour; and she was gifted with a wit as penetrating as her presence was fascinating."
• "He watched several gulls veering near and saw a hundred other, gulls positioned on a slope, all facing the same way, motionless, regardful, joined in consciousness, in beautiful empty birdness, waiting for the signal to fly."