Place into service is a term used to describe the process of putting something into USE. It is often used in the context of introducing a new product or service into the market. This term can also be used to describe the process of bringing a new employee on board and training them for their job. The crossword solutions for this term are USE, which stands for Utilize, Service, and Employ. Utilize means to make USE of something, service refers to providing a service to customers, and employ means to hire someone for a job. Therefore, place into service is the process of making USE of something, providing a service, and hiring someone for a job.