Similar words: impersonate, impersonal, personification, donation, national, zonation, personal, nationalism. Meaning: [ɪm‚pɜrsə'neɪʃn /-pɜːs-] 
n. 1. a representation of a person that is exaggerated for comic effect 2. pretending to be another person 3. imitating the mannerisms of another person.
n. 1. a representation of a person that is exaggerated for comic effect 2. pretending to be another person 3. imitating the mannerisms of another person. 
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31 Given the condition of the intractability of the elliptic curve discrete logarithm problem, the proposed scheme was proved secure against forged user attack, impersonation attack and replay attack.
32 The latter approach provides better performance because it avoids impersonation altogether.
More similar words: impersonate, impersonal, personification, donation, national, zonation, personal, nationalism, personally, personable, international, interpersonal, persona non grata, nation, affectionate, rational, compensation, damnation, educational, irrational, person, incarnation, inclination, rumination, nomination, nationwide, combination, domination, implication, rationalize.