Possible Clues:

• Idea to promote top fashion
• One isn't charged with one of 16 across
• It's thought to turn up in when it's twelve
• Unacceptable to suppress current belief
• It is thought to come up in twelve
• Head of intelligence gripped by socially unacceptable thought
• Belief, concept
• The idea is that it isn't charged
• One thought it hadn't been charged
• It may be crazy