hon·o·rar·i·um /ˌɑnəˈrɛriəm/
報酬,謝禮
Hon·o·ra·ri·um Hon·or·a·ry n.
1. A fee offered to professional men for their services; as, an honorarium of one thousand dollars.
2. Law An honorary payment, usually in recognition of services for which it is not usual or not lawful to assign a fixed business price.
honorarium
n : a fee paid for a nominally free service
[also: honoraria (pl)]