the act or an instance of discovering.

something discovered.

Law . compulsory disclosure, as of facts or documents.

( initial capital letter, italics ) U.S. Aerospace . the third space shuttle to orbit and return to earth.

noun

loss , miss

noun

analysis , ascertainment , authentication , calculation , certification , detection , determination , diagnosis , discernment , disclosure , distinguishing , empiricism , encounter , espial , experimentation , exploration , exposition , exposure , feeling , hearing , identification , introduction , invention , learning , locating , location , origination , perception , revelation , sensing , sighting , strike , unearthing , verification , algorithm , bonanza * , breakthrough , conclusion , contrivance , coup , data , design , device , find , finding , formula , godsend * , innovation , law , luck , luck out , machine , method , principle , process , result , secret , theorem , way , treasure , trouvaille