empressement

from The Collaborative International Dictionary of English v.0.48

Empressement \Em`presse`ment"\, n. [F., fr s'empresser to
   hasten.]
   Demonstrative warmth or cordiality of manner; display of
   enthusiasm.

         He grasped my hand with a nervous empressement. --Poe.
   [Webster 1913 Suppl.]