Genteel means “of or relating to people who have high social status” and can be used as a somewhat old-fashioned synonym of aristocratic. It can also be used to describe something with a quietly appealing or polite quality, as in “genteel manners.”
// Their genteel upbringing shaped the way they viewed the world.
To cadge something is to persuade someone to give it to you for free. Cadge can also mean “to take, use, or borrow (something) without acknowledgment.”
// I don’t know how, but my brother always manages to cadge an extra scoop of ice cream on his sundaes.
// The last line of the poem is cadged from Shelley’s “Ozymandias.”
Zany describes people or things that are very strange and silly.
// The cartoon series centers around two zany characters, best friends who also happen to be space aliens, constantly amusing each other with outrageous antics.
Cadence is used to refer to various rhythmic or repeated motions, activities, or patterns of sound, or to the way a person's voice changes by gently rising and falling while they are speaking.
// Ivy relaxed at the beach, listening to the cadence of the surf.
// He speaks with a soft Southern cadence.
Something described as frenetic is filled with excitement, activity, or confusion. The word is a synonym of frantic.
// The event was noisy and frenetic, which prompted us to leave early.
To scrutinize something is to examine it carefully especially in a critical way.
// I closely scrutinized my opponent's moves before making my own.