Astounding

4 clues
Incredible
Astonishing
Hard to believe
Adman's adjective
Similar answers:
Abadending
Abounding
Absconding
Aintwegotfunding
Airplanelanding
Alebonding
Altendings
Alternateending
Alternatndings
Alwaysfinding
Amateurstanding
Amending
Amstelstanding
Anunderstanding
Apollolanding
Ascending
Astound
Astounded
Astounding
Astounds