cir·cum·vent 
(sûr
′k
əm-v
ĕnt
)
tr.v. cir·cum·vent·ed,
cir·cum·vent·ing,
cir·cum·vents 1. To surround (an enemy, for example); enclose or entrap.
2. To go around; bypass: circumvented the city.
3. To avoid or get around by artful maneuvering: circumvented the bureaucratic red tape.
[Middle English circumventen, from Latin circumvenīre, circumvent- : circum-, circum- + venīre, to go, come; see gwā- in the Appendix of Indo-European roots.]
cir′cum·venter, cir′cum·ventor n.
cir′cum·vention n.
cir′cum·ventive adj.