necessity is the mother of invention
The primary driving force for most new inventions is a need.
ADJ
latest, new | modern | brilliant, ingenious, wonderful | successful
VERB + INVENTION
come up with, design
patent, register
She decided to register her invention with the government before showing it to investors.
ADJ
pure
Her story about winning the lottery was pure invention from start to finish.
PHRASES
power/powers of invention
The young engineer's power of invention helped her design a completely new type of water filter.