Shakespeare is credited with inventing the below list of words still in regular use:

accommodation

aerial

amazement

apostrophe

assassination

auspicious

baseless

bloody

bump

castigate

changeful

clangor

control (noun)

countless

courtship

critic

critical

dexterously

dishearten

dislocate

dwindle

eventful

exposure

fitful

frugal

generous

gloomy

gnarled

hurry

impartial

inauspicious

indistinguishable

invulnerable

lapse

laughable

lonely

majestic

misplaced

monumental

multitudinous

obscene

palmy

perusal

pious

premeditated

radiance

reliance

road

sanctimonious

seamy

sportive

submerge

suspicious

He also created a number of words in his plays that never quite caught on… words like ‘Armgaunt’, ‘Eftes’, ‘Impeticos’, ‘Insisture’, ‘Pajock’, ‘Pioned’ ‘Ribaudred’ and ‘Wappened’.