1. to contain as a part of something larger
2. to make someone or something part of a group or activity

Examples

• The price includes breakfast and dinner.
• Please include your contact information on the form.
• The museum tour includes a visit to the sculpture garden.
• We should include Sarah in our weekend plans.
• The package includes free shipping.
• Don’t forget to include the receipt with your return.
• The study included 500 participants from different backgrounds.