invent
/in-ˈvent/
verb
to produce (something, such as a useful device or process) for the first time through the use of the imagination or of ingenious thinking and experiment
to devise by thinking : fabricate
find, discover
verb
to invent (something) with one or more other people
… tells us much about Jacques-Yves Cousteau, the restlessly creative oceanographer-cinematographer who … coinvented the Aqua-Lung in 1943 …