poise

(noun) 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.

(noun) a state of being balanced in a stable equilibrium.

(noun) great coolness and composure under strain. Synonyms: aplomb, assuredness, cool, sang-froid. Example: "Keep your cool."

(verb) be motionless, in suspension. Example: "The bird poised for a few moments before it attacked."

(verb) prepare (oneself) for something unpleasant or difficult. Synonyms: brace.

(verb) cause to be balanced or suspended.

(verb) hold or carry in equilibrium. Synonyms: balance.