sur·veil 
(sər-vāl)
(sər-vāl)tr.v. sur·veilled, sur·veil·ling, sur·veils
To keep under surveillance.
[Back-formation from SURVEILLANCE.]
- circumstantial
- circumstantial evidence
- circumstantiality
- circumstantially
- circumstantiate
- circumstantiation
- circumstellar
- circumterrestrial
- circumvallate
- circumvallation
- circumvent
- circumventer
- circumvention
- circumventive
- circumventor
- circumvolution
- circumvolve
- circus
- circusy
- cire
- cirque
- cirrate
- cirrhosis
- cirrhotic
- cirri