innocent

Not knowledgeable about something specified.

“American tourists wholly innocent of French”

Lacking in sophistication or worldliness.

“a child's innocent stare”

Completely wanting or lacking.

“innocent of literary merit”

Free from evil or guilt.

“an innocent child”

“the principle that one is innocent until proved guilty”

Free from sin.

Lacking intent or capacity to injure.

“an innocent prank”

(used of things) lacking sense or awareness.

“fine innocent weather”

A person who lacks knowledge of evil.