Longman Dictionary of Contemporary English - amused

~ adj 1 someone who is amused by something thinks it is funny so that they smile or laugh + at/by  (Clare was highly amused by the little boy's antics. | He won't be very amused when he finds out what's happened to his garden. | James watched the proceedings with an amused grin.) 2 keep sb amused to entertain or interest someone for a long time so that they do not get bored  (if you could just keep them amused while I do the shopping)