Unusual; uncommon; rare; extraordinary.

非常的；不寻常的；鲜有的；出乎寻常的。

Exceptional and exceptionable are often confused, but they have nothing in common.

Exceptional 及 exceptionable 常为人搞混，其实两字绝然不同。

Exceptional means unusual or out of the ordinary, usually with the idea of superiority.

Exception 指异乎寻常的，常带优秀卓越之意：

Exceptionable means objectionable or open to disapproval.

Exceptionable 系指可遭反对或非难的：