ballast
heavy substance used to add stability or weight
conducive
helpful; contributive
prodigy
highly gifted child; marvel
impede
hinder; block
tenacious
holding fast
indulgent
humoring; yielding; lenient
parody
humorous imitation; spoof
supposition
hypothesis
utopia
ideal place
enmity
ill will; hatred
emulate
imitate; rival
pastiche
imitation of another’s style in musical composition or in writing
impervious
impenetrable
transitory
fleeting
impudence
impertinence; insolence
incarcerate
imprison
ameliorate
improve
inert
inactive
implacable
incapable of being pacified
aggrandize
raise in power or rank