cognizant

cognizant
[ˈkɒ(g)nɪz(ə)nt]
(亦作 cognisant )
adjective
  1. [predic.](formal)having knowledge or being aware of
    (正式)知道的;意识到的
    statesmen must be cognizant of the political boundaries within which they work.
    政治家必须了解其影响所及的政治边界何在。
语源
  1. early 19th cent.: probably directly from cognizance
英语宝典
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