definition of
exemption

[1] #1 exemption n. [freedom] immunity from an obligation or duty. wn

[2] #2 exemption n. a deduction allowed to a taxpayer because of his status (having certain dependents or being blind or being over 65 etc.); "additional exemptions are allowed for each dependent". wn

[3] #3 exemption n. [immunity, granting immunity] an act exempting someone; "he was granted immunity from prosecution". wn