apprehension, apprehensiveness, dread -- (fearful expectation or anticipation; "the student looked around the examination room with apprehension")
understanding, apprehension, discernment, savvy -- (the cognitive condition of someone who understands; "he has virtually no understanding of social cause and effect")
apprehension, arrest, catch, collar, pinch, taking into custody -- (the act of apprehending (especially apprehending a criminal); "the policeman on the beat got credit for the collar")
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