Describing something positive:
* "The food at that restaurant was excellent."
* "She gave an excellent presentation."
* "He has excellent communication skills."
* "The weather today is excellent for a picnic."
* "This is an excellent opportunity for career growth."
Expressing agreement or approval:
* "That's an excellent idea!"
* "I think you've done an excellent job."
* "Excellent, let's go!"
Formal usage:
* "The company received an excellent rating in its annual report."
* "The professor gave an excellent lecture on quantum physics."
Informal usage:
* "That's excellent! I'm so happy for you."
* "This new phone is excellent!"
Note: "Excellent" can be used as an adjective, an adverb, or an interjection, depending on the context.