Step 1: Define the given word. 'Cease' means to bring or come to an end; to stop.
Step 2: Define the options. 'Begin' is to start. 'Create' is to bring something into existence. 'Stop' is to come to an end. 'Dull' means boring or not bright.
Step 3: Find the word with the same meaning. 'Stop' has the exact same meaning as 'cease'.