achever meaning in English

complete [completed, completing, completes]▼◼◼◼(to finish)
verb
[UK: kəm.ˈpliːt] [US: kəm.ˈpliːt]The first stage is complete. = La première étape est achevée.

finalize [finalized, finalizing, finalizes]▼◼◼◻(to make final or firm; to finish or complete)
verb
[UK: ˈfaɪ.nə.laɪz] [US: ˈfaɪ.nə.ˌlaɪz]

finish [finished, finishing, finishes]▼◼◼◻(to complete)
verb
[UK: ˈfɪ.nɪʃ] [US: ˈfɪ.nɪʃ]I managed to finish the work. = Je parvins à achever le travail.

wind up▼◼◻◻(to conclude, complete, or finish)
verb
[UK: wɪnd ʌp] [US: wɪnd ʌp]

see through▼(to do something until it is finished)
verb
[UK: ˈsiː θruː] [US: ˈsiː θruː]