SYN: Doer, worker, agent, performer, principal, player, tragedian, comedian.
ANT: [See AGENT].
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KEY: Actual.
SYN: Developed, positive, unquestionable, demonstrable, certain, real, authentic.
ANT: Potential, undeveloped, hypothetical, supposition, possible, virtual, theoretical, fabulous, fictitious, unreal.
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KEY: Actually.
SYN: Verity, truly, decidedly, assuredly, positively.
ANT: Potentially, hypothetically, theoretically.