Definition of prolificate in US English:

prolificate

verb

rare
  • with object To render prolific; †to fertilize (obsolete); to make plentiful or widespread.

Origin

Mid 17th century; earliest use found in Thomas Browne (1605–1682), physician and author. From prolific or its etymon post-classical Latin prolificus + -ate, after prolification.

Pronunciation

prolificate

/prəˈlɪfɪkeɪt/