noun
1. the act of apprehending (especially apprehending a criminal)
e.g. the policeman on the beat got credit for the collar
Synonym: arrestcatchcollarpinchtaking into custody
2. the cognitive condition of someone who understands
e.g. he has virtually no understanding of social cause and effect
Synonym: understandingdiscernmentsavvy
3. painful expectation
Synonym: misgiving
4. fearful expectation or anticipation
e.g. the student looked around the examination room with apprehension
Synonym: apprehensivenessdread