1. apprehension, apprehensiveness, dread

fearful expectation or anticipation

Example Sentences:
'the student looked around the examination room with apprehension'

• apprehensiveness
• dread

2. apprehension, discernment, savvy, understanding

the cognitive condition of someone who understands

Example Sentences:
'he has virtually no understanding of social cause and effect'

• discernment
• savvy
• understanding

3. apprehension, misgiving

painful expectation

• misgiving

4. apprehension, arrest, catch, collar, pinch, taking into custody

the act of apprehending (especially apprehending a criminal)

Example Sentences:
'the policeman on the beat got credit for the collar'

• arrest
• catch
• collar
• pinch
• taking into custody