1. Serving to support or corroborate
   - collateral, confirmative, confirming, confirmatory, corroborative, corroboratory, substantiating, substantiative, validating, validatory, verifying

See also: supportive, verify

• stroller
• stroma
• stromateid
• stromateid fish
• Stromateidae
• Strombidae
• Strombus
• Strombus gigas
• strong
• strong belief
• strong breeze
• strong drink
• strong force
• strong gale
• four-in-hand
• four-lane
• four-leaf
• four-leaved
• four-letter Anglo-Saxon word
• four-letter word
• four-lined leaf bug
• four-lined plant bug
• four-lobed
• four-membered
• four-minute man