imitator

Definition of Imitator in English :

1. imitator, impersonator

someone who (fraudulently) assumes the appearance of another

2. ape, aper, copycat, emulator, imitator

someone who copies the words or behavior of another

WordNet Lexical Database for English. Princeton University. 2010.

Imitator

tr.v. im·i·tat·ed, im·i·tat·ing, im·i·tates

1. To use or follow as a model: Your brother imitates you because he admires you.

a. To copy the mannerisms or speech of; mimic: amused her friends by imitating the teachers.

b. To copy (mannerisms or speech): Can you imitate his accent?

3. To copy exactly; reproduce: "drugs that can imitate the hormone's positive effects while reducing its adverse effects" (The Scientist).