1. Relying on observation or experiment
   - experimental, observational

See also: empiric, empirical

• prodding
• prodigal
• prodigal son
• prodigality
• prodigally
• prodigious
• prodigiously
• prodigy
• prodroma
• prodromal
• prodrome
• prodromic
• prodrug
• produce
• producer
• producer gas
• producer price index
• producibility
• producible
• product
• product development
• product introduction
• product line
• product research
• product-moment correlation coefficient