concessive

adj (grammar) expressing concession(1) 表示承认、 允许、 妥协或让步的: a concessive clause, eg one introduced by as, although or even if, indicating a contrast with the main clause 让步从句（如由as、 although或even if引导的表示与主句意思相反的从句）.

concentric, concept, conception, conceptive, conceptual, concern, concerned, concernedly, concerning, concert, concert grand, concert-goer, concert-master, concerted, concertina, concerto, concess, concession, concessionaire, concessionary, conch, conchology, conciliate, conciliation, conciliatory, concise, concisely, conciseness, conciseness, concision, concision, conclave, conclude, conclusion, conclusive, conclusively, concoct, concoction, concomitant, concord, concordance,