poise (http://definr.com/poise)

     n 1: a cgs unit of dynamic viscosity equal to one dyne-second per
          square centimeter; the viscosity of a fluid in which a
          force of one dyne per square centimeter maintains a
          velocity of 1 centimeter per second
     2: a state of being balanced in a stable equilibrium
     3: great coolness and composure under strain; "keep your cool"
        [syn: aplomb, assuredness, cool, sang-froid, self-possession]
     v 1: be motionless, in suspension; "The bird poised for a few
          moments before it attacked"
     2: prepare (oneself) for something unpleasant or difficult
        [syn: brace]
     3: cause to be balanced or suspended
     4: hold or carry in equilibrium [syn: balance]