honorary

Từ điển Oxford Advanced Learner 8th

hon·or·ary BrE [ˈɒnərəri] NAmE [ˈɑːnəreri] adjective (abbr.Hon)
1. (of a university degree, a rank, etc.)given as an honour, without the person having to have the usual qualifications
•an honorary doctorate/degree
2. (of a position in an organization)not paid
•the honorary president
•The post of treasurer is a purely honorary position.
3. treated like a member of group without actually belonging to it
•She was treated as an honorary man.
•Many people treat their pets almost as honorary humans.  Use an, not a, before honorary.

Word Origin:
[honorary] early 17th cent.: from Latin honorarius, from honor ‘honour’.