con artist β A con artist is someone who tricks other people into giving them their money or property.
hypocrite β a person who feigns some desirable or publicly approved attitude, especially one whose private life, opinions, or statements belie his or her public statements.
actor β An actor is someone whose job is acting in plays or films. 'Actor' in the singular usually refers to a man, but some women who act prefer to be called 'actors' rather than 'actresses'.
beguiler β to influence by trickery, flattery, etc.; mislead; delude.
bluffer β good-naturedly direct, blunt, or frank; heartily outspoken: a big, bluff, generous man.
charlatan β You describe someone as a charlatan when they pretend to have skills or knowledge that they do not really possess.
cheat β When someone cheats, they do not obey a set of rules which they should be obeying, for example in a game or exam.
deceiver β to mislead by a false appearance or statement; delude: They deceived the enemy by disguising the destroyer as a freighter.
fake β to lay (a rope) in a coil or series of long loops so as to allow to run freely without fouling or kinking (often followed by down).
faker β anything made to appear otherwise than it actually is; counterfeit: This diamond necklace is a fake.
four-flusher β a person who makes false or pretentious claims; bluffer.
fraud β deceit, trickery, sharp practice, or breach of confidence, perpetrated for profit or to gain some unfair or dishonest advantage.
imitator β to follow or endeavor to follow as a model or example: to imitate an author's style; to imitate an older brother.
impersonator β a person who pretends to be another.
masquerader β a party, dance, or other festive gathering of persons wearing masks and other disguises, and often elegant, historical, or fantastic costumes.
adjective empiric
factual β of or relating to facts; concerning facts: factual accuracy.
observational β of, relating to, or founded on observation, especially founded on observation rather than experiment.
observed β to see, watch, perceive, or notice: He observed the passersby in the street.
pragmatic β of or relating to a practical point of view or practical considerations.
provisional β providing or serving for the time being only; existing only until permanently or properly replaced; temporary: a provisional government.
practical β of or relating to practice or action: practical mathematics.
speculative β pertaining to, of the nature of, or characterized by speculation, contemplation, conjecture, or abstract reasoning: a speculative approach.