免

license, permit, licence, certificate

to escape from, to be rescued from, to avoid, to evade, to avert, to elude, to be exempted, to be relieved from pain, to get rid of

immunity, immunization, immunisation

exemption, exoneration, discharge

reduction and exemption (e.g. taxes), mitigation and remission (e.g. in criminal law)

dismissal, sacking, discharge

tax exemption, duty exemption

dismissal, discharge

exemption from responsibility, disclaimer

your pardon, declining (something), dismissal, permission