Quick definitions from WordNet (retain)
▸ verb: secure and keep for possible future use or application ("The landlord retained the security deposit")
▸ verb: allow to remain in a place or position ("She retains a lawyer")
▸ verb: hold within ("This soil retains water")
▸ verb: keep in one's mind ("I cannot retain so much information")
▸ Also see retain
▸ verb: secure and keep for possible future use or application ("The landlord retained the security deposit")
▸ verb: allow to remain in a place or position ("She retains a lawyer")
▸ verb: hold within ("This soil retains water")
▸ verb: keep in one's mind ("I cannot retain so much information")
▸ Also see retain