premiereship

noun (C, U) the period when someone is Prime Minister premise /'premis/ noun (C)

1 premises the buildings and land that a shop, restaurant, company etc uses: We hope to be moving to new premises shortly. | business premises | off the premises: The manager escorted him off the premises. | on the premises: No food or drink is to be consumed on the premises.

2 also premiss BrE a statement or idea that you accept as true and use as a base for developing other ideas: American justice works on the premise that an accused person is innocent until they are proved guilty.