intervene- come between
syndrome- complex of symptoms
subordinate- lower
dissonant- inharmonious
belligerent- warring
credible- believable
impending- overhanging
polyphonic- multi-melodic
exculpate- free from blame
euphemism- pleasant name
benefactor- helper
megalomania- delusions of greatness
magnate- powerful person
vivacious- lively
heliotropic- sun-following
amour-propre- self-love
octagenarian- an eighty-year-old
cognoscenti- those who know
surfeit- excess
primate- monkey, apes, and humans
pellucid- crystal clear
circumvent- get around
hemiplegia- paralysis on one side
narcolepsy- attacks of sleep
