As a noun:
* She carried herself with such poise, even in the face of adversity. (meaning: she remained calm and confident)
* The ballerina's poise was remarkable, as she effortlessly balanced on the tips of her toes. (meaning: she had graceful balance and control)
* He answered the question with poise, even though he was nervous. (meaning: he was calm and collected)
* The sculpture's poise captured the athlete's strength and grace. (meaning: the sculpture represented balance and beauty)
As a verb:
* She poised herself to jump over the hurdle. (meaning: she prepared herself to jump)
* He poised the pen above the paper, ready to write. (meaning: he held the pen in a balanced position)
* The bird poised on the branch, watching for its prey. (meaning: the bird held a position of readiness)
Remember, "poise" can have different meanings depending on the context. Choose the meaning that best fits your sentence.