Meaning of “enthusiastic” - Learner’s Dictionary

enthusiastic

adjective us uk /ɪnˌθjuːziˈæstɪk/
I was relatively young and enthusiastic.The teachers are very enthusiastic.He was enthusiastic about my plans for the future.The speech was greeted with enthusiastic applause from the crowd.The suggestion received an enthusiastic response.

B2 showing enthusiasm:

enthusiastic support
The teacher was very enthusiastic about my project.
enthusiastically adverb

(Definition of “enthusiastic” from the Cambridge Learner’s Dictionary © Cambridge University Press)