HEEDFUL
advertent, heedful
(adjective) giving attention
heedful, attentive, thoughtful, paying attention
(adjective) taking heed; giving close and thoughtful attention; “heedful of the warnings”; “so heedful a writer”; “heedful of what they were doing”
careful, heedful
(adjective) cautiously attentive; “careful of her feelings”; “heedful of his father’s advice”
Source: WordNet® 3.1
Etymology
Adjective
heedful (comparative more heedful, superlative most heedful)
taking heed
paying close attention; mindful
Antonyms
• heedless
Source: Wiktionary
Heed"ful, a.
Definition: 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 Edition