Heedful
/ˈhiːdfl/
Definition 1 of 1
Pro Tip 1/3Emotional Weight
Heedful expresses a degree of carefulness that involves mindfulness or concern. 
She was heedful of her grandmother's fragile health when planning the family gathering.
Pro Tip 2/3Positive Implication
Using 'heedful' suggests approval of someone's cautious approach. 
The heedful driver avoided accidents during the treacherous road conditions.
Pro Tip 3/3Situational Use
Best used where there is a specific reason to be cautious or alert. 
He was heedful of the expiration dates on perishable items at the grocery store.