1. established or created (an institution, organization, or settlement), typically as the first or original founder
Usage: past tense and past participle of 'found'
2. based or grounded (something) on a particular principle, fact, or reason
Usage: past tense and past participle of 'found'; often used with 'on' or 'upon'

1. having a foundation or basis; established on a firm ground
Usage: used predicatively or attributively

Examples

• The university was founded in 1850 by a group of philanthropists.
• Her argument was founded on solid evidence and careful research.
• The company was founded as a small startup in a garage.
• His fears were not founded in reality.
• The organization's success is founded on teamwork and innovation.
• They founded a new school to serve the local community.
• The theory is founded on decades of scientific study.