witness

Synonyms: attestant attestor beholder bystander corroborator deponent eyewitness gawker looker-on observer onlooker proof rubbernecker signatory signer spectator testifier testimony viewer watcher

Antonyms: participant

Synonyms: attend be a witness behold be on hand be on the scene be present eyeball flash on get a load of look on mark note notice perceive pick up on pipe read see sight spot spy take in view watch

Antonyms: participate

Synonyms: affirm announce argue attest bear out bear witness be a witness bespeak betoken certify confirm corroborate countersign depone depose endorse give evidence give testimony indicate say under oath sign stand for subscribe vouch for

Antonyms: deny refute