Decipher
DECI'PHER, verb transitive
1. To find the alphabet of a cipher; to explain what is written in ciphers, by finding what letter each character or mark represents; as, to decipher a letter written in ciphers.
2. To unfold; to unravel what is intricate; to explain what is obscure or difficult to be understood; as, to decipher an ambiguous speech, or an ancient manuscript or inscription.
3. To write out; to mark down in characters.
4. To stamp; to mark; to characterize.