An amused countenance can be described in many ways. It may be referred to as a smiling face, a chuckling expression, a pleased visage or a gleeful demeanor. Other synonyms for amused countenance include a grinning look, a smirking appearance, a twinkling gaze and a happy facial expression. Some more indirect ways to describe an amused countenance include a face that radiates joy, a contented appearance, a countenance that lights up with amusement, or even a countenance that has a rosy glow from laughter. In short, there are many words and expressions to denote an amused countenance, all of which help to paint a vivid picture of a face full of joy.