"perception, comprehension," late 14c., from Old French apprehension or directly from Latin apprehensionem (nominative apprehensio), noun of action from past participle stem of apprehendere [..]

fearful expectation or anticipation; "the student looked around the examination room with apprehension" understanding: the cognitive condition of someone who understands; &am [..]

Fear.

 sharp wit.

n. anxious expectation, worry, general uneasiness, or dread about a situation, event, or the future in general.

arrest

(n) fearful expectation or anticipation(n) the cognitive condition of someone who understands(n) the act of apprehending (especially apprehending a criminal)(n) painful expectation

The arrest of a removable alien by U.S. Immigration and Customs Enforcement (ICE). Each apprehension of the same alien in a fiscal year is counted separately.

The arrest of a removable alien by the Immigration and Naturalization Service. Each apprehension of the same alien in a fiscal year is counted separately.

The arrest of a removable alien by the Department of Homeland Security. Each apprehension of the same alien in a fiscal year is counted separately.

The arrest of a removable alien by U.S. Immigration and Customs Enforcement (ICE). Each apprehension of the same alien in a fiscal year is counted separately.  

opinion

 The act of arresting; seizure.