1. to preach the Christian gospel or convert someone to Christianity
Usage: British spelling; American spelling is 'evangelize'; often used in religious contexts
2. to promote or advocate enthusiastically for a cause, product, or idea
Usage: extended use, common in business and marketing contexts

Examples

• The missionaries travelled to remote villages to evangelise the local population.
• She spent years evangelising about the benefits of renewable energy.
• Tech entrepreneurs often evangelise their startups at conferences.
• The church sent volunteers to evangelise in underserved communities.
• He became known for evangelising sustainable farming practices.
• They evangelised their new product through social media campaigns.