1. 
[syn: mindfulness, heedfulness]
The Collaborative International Dictionary of English v.0.48:
Mindful \Mind"ful\, a.
   Bearing in mind; regardful; attentive; heedful; observant.
   [1913 Webster]
         What is man, that thou art mindful of him? --Ps. viii.
                                                  4.
   [1913 Webster]
         I promise you to be mindful of your admonitions.
                                                  --Hammond.
   [1913 Webster] -- Mind"ful*ly, adv. -- Mind"ful*ness, n.
   [1913 Webster]
WordNet (r) 3.0 (2006):
mindfulness
    n 1: the trait of staying aware of (paying close attention to)
         your responsibilities [syn: mindfulness, heedfulness]
         [ant: heedlessness, inadvertence, inadvertency,
         unmindfulness]