1. David speaks in an authoritative tone. ����������Ŀ���˵����
2. Books: Most authoritative information and review on developing books. ͼ�飺��Ȩ����רҵ����ͼ����Ϣ�����ۡ�
3. Summer league Head Coach Kim Hughes put the Clips through their paces with able assistance from Fred Vinson and authoritative new hire Tony Brown. �ļ�����������������˹��ͨ�븥����ɭ��Ȩ���Ե���Ա���ܹ��������Ԯ�������ļ�����
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adj.
1. having authority or ascendancy or influence
2. of recognized authority or excellence
3. sanctioned by established authority