internship -a period of time during which someone works for a company or organization in order to get experience of a particular type of work Ex: Jane has a summer internship at a local TV station . substantial - large in size , value , or importance Ex: She inherited a substantial fortune from her grandmother . About working for free Internship is an important thing for students to enter the workplace. Being able to learn while doing and understand where you are lacking, but unpaid internships are less of an incentive for students, because internships are also considered to work but have no salary. Although they can learn a lot, they still have to work for money.