to translate (data or a message) from a code into the original language or form.

to extract meaning from (spoken or written symbols).

Television . to unscramble (an electronic signal) so as to provide a video picture for cable subscribers.

to work at decoding.

verb

break , clear up , crack , crack the code , decrypt , figure out , find the solution , interpret , make clear , read , solve , translate , unravel , unriddle , unscramble , untangle , work out , decipher