Sense: A valuable member. Usex: That engineer is a credit to the team.
Definition is not substitutable in the usage example and could not be substituted freely for "a valuable member": "He is a valuable member/*credit of the association". DCDuringTALK 00:55, 14 January 2011 (UTC)
The definition is along the right lines, but doesn't work, as you say. Mglovesfun (talk) 11:38, 20 January 2011 (UTC)
Changed definition to "A source of value, distinction or honour." Now works with ... to ... SemperBlotto 08:25, 24 January 2011 (UTC)