Plausible
Part of speech: adjective
Definition: Seemingly or apparently valid, likely, or acceptable; credible: a plausible excuse. Worthy of being applauded; praiseworthy; commendable; ready. Obtaining approbation; specifically pleasing; apparently right; specious; as, a plausible pretext; plausible manners; a plausible delusion. Using specious arguments or discourse; as, a plausible speaker. A possibility in reason or thought experiment, but which may as a matter of fact be true or false, the truth of which is yet unknown to the thinker.
Example sentence: Criticism is prejudice made plausible.
Slick
Part of speech: noun
Definition: A covering of liquid, particularly oil.A tire with a smooth surface instead of a tread pattern, often used in auto racing.A helicopter.
Part of speech: adjective
Definition: Slippery due to a covering of liquid; often used to describe appearances.Appearing expensive or sophisticated.Superficially convincing but actually untrustworthy.Clever, making an apparently hard task easy; often used sarcastically.Extraordinarily great or special.
Part of speech: verb
Definition: To make slick
Example sentence: During the course of the seven years I played scenes with an oil slick, I played a scene with a grain of rice. Sometimes with indescribable creatures. I remember having a conversation with something which was simply a smell, that's all. It was part of our job.