"To take the initiative" means to be proactive and take the first step in starting or solving something without waiting for others to act. It's about showing leadership and being the one who initiates or takes charge of a situation. Full definition
But it is a good thing that there are people who take initiative in properly taking care of such a wonderful but delicate breed. (bulldogmixes.com)
Often, hiring influencers both internal and external to your organization are looking for candidates who take initiative in their careers. (martinbucklandspeaks.com)
He also says the public is equally responsible for taking the initiative for change. (climatechangepredictions.org)