Firmament

2 clues
Sky
Heavens!
Similar answers:
Actofparliament
Adelaideslament
Affirm
Affirmafirm
Affirmative
Affirmativevote
Affirmed
Affirmquotes
Affirms
Afirm
Agnewtestament
Alament
Ament
Amenta
Amentag
Amentia
Amentothat
Aments
Amethodofconfirming
Apredicament