Heed"ful*ly

from The Collaborative International Dictionary of English v.0.48

Heedful \Heed"ful\, a.
   Full of heed; regarding with care; cautious; circumspect;
   attentive; vigilant. --Shak. -- {Heed"ful*ly}, adv. --
   {Heed"ful*ness}, n.
   [1913 Webster]