This is the 1016th most frequent Japanese word.
ちゃんと
Properly; neatly; reliably; diligently.
In this sentence, 'ちゃんと' indicates doing something properly or correctly, emphasizing the thoroughness of the action.
ちゃんと宿題をしました。
I properly completed my homework.
Here, 'ちゃんと' expresses that the action is done in a timely and appropriate manner, meeting the necessary requirements.
会議の時間にはちゃんと間に合いました。
I managed to arrive on time for the meeting.
In this case, 'ちゃんと' is used to signify that someone is fulfilling an obligation or commitment in the intended and responsible way.