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: The most successful stuff is sold to you as indispensable social information. The message in the music is, 'We are terribly, terribly slick and suave, and if you listen to us, you can probably get a leg up in society, too.'
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: Art is about forgetting all these feelings, good and bad, and trying to understand what acts will last longer, which symbols will remain in history. It's a question of perspective: The further you get from the past, the more concrete and plausible it seems.