D defs.my
Entry 1 sense Webster, 1913

Regardful

/(-f?l)/ · Re·gard·ful · IPA /ɹɪˈɡɑːdfʊl/
01 a. Heedful; attentive; observant.
  1. 1.
    Heedful; attentive; observant.
    “Let a man be very tender and regardful of every pious motion made by the Spirit of God to his heart.” South.