The word "gestating" means the process of carrying or developing something, such as an idea, plan, or baby, inside oneself until it is fully formed or ready to be born. Full definition
Reinfelder discovered she had two uteri, known as a Mullerian abnormality, after she miscarried her first pregnancy in March 2007, another set of twins gestating in her two wombs. (abcnews.go.com)
Scorsese's work tends to be elevated by his personal connections to a story, and the legendary filmmaker's Catholic roots will hopefully provide an entry point for one of his longest gestating projects. (waytooindie.com)
The long gestating project has had Michael Douglas in the role of the flamboyant performer Liberace, with Matt Damon in the role of Michael Thorson for a while now, with Dan Aykroyd and Debbie Reynolds also on board. (indiewire.com)