explored

marked

examined included investigated noted observed recorded regarded reported scrutinized surveyed written

accounted for

unknown

bare empty exposed open passed over revealed unfurnished unheeded unnoticed

detected disclosed exposed identified invented

ascertained disinterred espied learned observed opened originated perceived presented recognized revealed shown sighted spotted unearthed unlocked unveiled

famous happened upon real searched out well-known

hidden lost unfound

checked considered inspected measured probed questioned researched reviewed scrutinized searched studied tested tried

cross-examined

unplanned