firmament /fûrˈmə-mənt/

1. The solid sphere in which the stars were formerly thought to be fixed
2. The sky

firmamental /-mentˈl/ adjective

• prosper
• prospered
• prospering
• prosperities
• prosperity
• prosperous
• prosperously
• prosperousness
• prosperousnesses
• prospers
• prostacyclin
• prostacyclins
• prostaglandin
• prostaglandins
• prostanthera
• prostantheras
• prostate
• prostatectomies
• prostatectomy
• prostate gland
• prostate glands
• prostates
• prostatic
• prostatism
• prostatisms