Heedful
Pronunciation : Heed"ful
Part of Speech : a.
Definition : Defn: Full of heed; regarding with care; cautious; circumspect; attentive; vigilant. Shak. -- Heed"ful*ly, adv. -- Heed"ful*ness, n.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder