From Latin instīgātor ("stimulator"), from instigāre (present infinitive of īnstīgō, possibly from Proto-Indo-European *(s)teyg- ("to be sharp, to stab#Verb")) + -or (from -ō, from Proto-Indo-European *-h₃onh₂- ("suffix forming nouns denoting [[authority or burden")); cognate with French instigateur.
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.