Poise v. t. [imp. & p. p. Poised, p. pr. & vb. n. Poising.]  [Formerly written also peise.]
  1. To balance; to make of equal weight; as, to poise the scales of a balance.
  2. To hold or place in equilibrium or equiponderance.
  Nor yet was earth suspended in the sky;
  Nor poised, did on her own foundation lie.   --Dryden.
  3. To counterpoise; to counterbalance.
     One scale of reason to poise another of sensuality.   --Shak.
     To poise with solid sense a sprightly wit.   --Dryden.
  4. To ascertain, as by the balance; to weigh.
     He can not sincerely consider the strength, poise the weight, and discern the evidence.   --South.
  5. To weigh (down); to oppress. [Obs.]
     Lest leaden slumber peise me down to-morrow.   --Shak.
  poised
       adj 1: marked by balance or equilibrium and readiness for action;
              "a gull in poised flight"; "George's poised hammer"
       2: in full control of your faculties; "the witness remained
          collected throughout the cross-examination"; "perfectly
          poised and sure of himself"; "more self-contained and more
          dependable than many of the early frontiersmen"; "strong
          and self-possessed in the face of trouble" [syn: collected,
           equanimous, self-collected, self-contained, self-possessed]