concessive
/kənˈsesɪv/adjective
1
- of, characterized by, or tending to concession让步的; 认可（性）的：
we must look for a more concessive approach.
我们必须寻求一种更具妥协性的方法。
2
- Grammar (of a preposition or conjunction) introducing a phrase or clause denoting a circumstance which might be expected to preclude the action of the main clause, but does not (e.g. in spite of, although)【语法】（介词, 连词）引导让步短语（或从句）的（如in spite of, although）。
2.1
- (of a phrase or clause) introduced by a concessive preposition or conjunction（短语, 从句）让步的, 由让步介词（或连词）引导的。
词源
early 18th cent. (in sense 2)： from late Latin concessivus, from concess- 'withdrawn， yielded' （see CONCESSION）.