Starting with A:
* Aromatic
* Audacious
Starting with C:
* Capable
* Charming
* Courageous
* Curious
Starting with D:
* Delicate
* Delightful
* Dangerous
Starting with E:
* Elegant
* Exquisite
Starting with F:
* Fantastic
* Fabulous
Starting with H:
* Helpful
Starting with I:
* Illustrious
* Important
Starting with M:
* Majestic
* Marvelous
* Meaningful
Starting with N:
* Numerous
Starting with P:
* Peaceful
* Precious
* Powerful
Starting with R:
* Radiant
* Remarkable
Starting with S:
* Splendid
* Spectacular
* Substantial
Starting with T:
* Terrific
* Thoughtful
Starting with W:
* Wonderful
This is not an exhaustive list, but it gives you a good starting point. You can find more 7-letter adjectives by using a dictionary or online resources.