accomplishment UK /əˈkɒm.plɪʃ.mənt/US /əˈkɑm.plɪʃ.mənt/ noun4 •The act of accomplishing; completion; fulfilment. •Something accomplished; an achievement.Increasing sales by 20% in the last quarter was seen as a major accomplishment for the business. •That which completes, perfects, or equips thoroughly; acquirement; attainment; that which constitutes excellence of mind, or elegance of manners, acquired by education or training.I’ll make a proof how I advance in / My new accomplishment of dancing. — 1763 •The lexical aspect (aktionsart) of verbs or predicates that change over time until a natural end point. formsaccomplishments