retain >> rɪˈteɪn
Definition: [verb] continue to have (something); keep possession of.
Example: built in 1830, the house retains many of its original features
Definition: [verb] absorb and continue to hold (a substance).
Example: limestone is known to retain water
Definition: [verb] keep (something) in place; hold fixed.
Example: the successful design of a cartridge belt requires that the cartridges in it be properly located and retained in that position
Definition: [verb] keep (someone) engaged in one's service.
Example: he has been retained as a freelance