1. (n.) One who testifies under oath, especially in writing; also a verb of active meaning but passive or middle form.
2. (n.) A deponent verb.
3. (a.) Having a passive form with an active meaning, as certain Latin and Greek verbs.
Thesaurus Entries
TV-viewer, abutter, adjoiner, attestant, attestator, attester, beholder, bird-watcher, borderer, cojuror, compurgator, deponent, drugstore cowboy, earwitness, eyewitness, gaper, gazer, gazer-on, girl-watcher, goggler, immediate neighbor, informant, informer, kibitzer, looker, looker-on, neighbor, neighborer, observer, ogler, onlooker, passerby, perceiver, percipient, seer, sidewalk superintendent, spectator, spectatress, spectatrix, swearer, tangent, televiewer, television-viewer, testifier, video-gazer, viewer, voucher, watcher, witness
