apprehend

Verb

• anticipate with dread or anxiety

• take into custody
  • the police nabbed the suspected criminals
    

• get the meaning of something
  • Do you comprehend the meaning of this letter?
    

Related words

• Synonyms: 
  quail at , collar , nail , arrest , pick up , nab , cop , grok , get the picture , comprehend , savvy , dig , grasp , compass