innocent (adj.) Look up innocent at Dictionary.com
1340, "doing no evil, free from sin or guilt," from O.Fr. innocent (11c.), from L. innocentem (nom. innocens) "not guilty, harmless, blameless," from in- "not" + nocentem (nom. nocens), prp. of nocere "to harm" (see noxious). Meaning "free from guilt of a crime or charge" is from 1382. The earliest use was as a noun, "person who is innocent of sin or evil" (c.1200).