Involve/ɪnˈvɑːlv/ Definition 1 of 3Pro Tip 1/2Broad Participation Use 'involve' when many parts or people contribute to something, showing wide inclusion. The festival involved local businesses and artists. Pro Tip 2/2Process Emphasis 'Involve' highlights the process of inclusion, not just the final result. Building a house involves architects, builders, and inspectors.