1 balance, equilibrium, equipoise, equiponderance, parity, par:
The chariots of the gods in even poise, obeying the rein, glide rapidly
2 composure, control, self-possession, aplomb, assurance, dignity, equanimity, sang-froid, cool-headedness, imperturbability, presence of mind, coolness, staidness, reserve, sedateness, calmness, serenity, tranquillity, Colloq cool:
Jane's poise is remarkable, despite the heckling by the audience.
3 balance, be balanced, hover, hang, float; make or be or get ready, prepare:
The boulder was poised on the edge of the cliff.