Meaning of “accomplishment” - Learner’s Dictionary

accomplishment

noun uk us /əˈkʌmplɪʃmənt/
ACHIEVEMENT [ U ]

success in doing something good:

Finishing the course gave me a great sense of accomplishment.
SKILL [ C ] formal

a skill in art, music, writing, etc

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