O"pen-hearted*ness

from The Collaborative International Dictionary of English v.0.48

Open-hearted \O"pen-heart`ed\, a.
   Candid; frank; generous. --Dryden. -- {O"pen-heart`ed*ly},
   adv. -- {O"pen-heart`ed*ness}, n. --Walton.
   [1913 Webster]