The term 'acknowledge as true' can be summarized by two crossword solutions: CONCEDE and copto. CONCEDE is a verb meaning to accept or admit something, usually reluctantly. It is derived from the Latin word concedere, which means to yield or grant. Copto is an adjective meaning to agree or accept something without question. It is derived from the Greek word koptein, which means to accept or receive. Both words imply that one is acknowledging something as true.