Describing physical appearance:
* The imposing castle stood on a hill overlooking the town.
* He was a tall, imposing figure with a commanding presence.
* The building's imposing facade made it clear that it was a place of power.
Describing a feeling or effect:
* The silence after the storm was imposing.
* The judge's imposing demeanor made the witnesses nervous.
* The speaker's words had an imposing effect on the audience.
Using it in a figurative sense:
* The team's imposing victory sent a message to their rivals.
* The company's imposing financial statements showed their success.
* The task ahead was imposing, but they were determined to succeed.