Comical (adjective)

1. Amusing or humorous.
2. Strange or absurd in an amusing way.

Origin:

Late 16th century: from french comique, or via latin from greek kōmikos "relating to comedy".

Examples:

1. The comical situation was the result of a miscommunication.
2. The comical expression on his face was impossible to ignore.
3. The comical performance was enjoyed by everyone in the audience.
4. The comical turn of events was a welcome change from the usual routine.
5. The comical character was the source of much laughter and joy.