the mind > mental capacity > knowledge > secrecy, concealment > stealthy action, stealth > be stealthy [verb (intransitive)] > act stealthily (4)
to draw a sneck, to act cunningly or stealthily.
intransitive. To work secretly; to take clandestine measures. Obsolete.
to clandestine it: to act in a clandestine manner.
intransitive. To proceed in a secret or clandestine manner; esp. to meet or assemble in this manner.