innocence
noun /ˈɪnəsns/
  /ˈɪnəsns/
 [uncountable]Idioms - the fact of not being guilty of a crime, etc.
- She protested her innocence (= said repeatedly that she was innocent).
 - This new evidence will prove their innocence.
 
Extra ExamplesTopics Law and justicec1- Hayes has protested his innocence throughout the case.
 - He has maintained his innocence throughout the trial.
 - I asked her the question in all innocence. I didn't know it was going to upset her.
 - She claimed total innocence of all charges.
 - She replied to her father's accusations in tones of injured innocence.
 - She was convinced of her son's innocence.
 - The prisoners passionately proclaimed their innocence in front of the jury.
 - The solicitors were convinced of his innocence and urged him to appeal the conviction.
 
Oxford Collocations Dictionaryadjective- total
 
- declare
 - proclaim
 - profess
 - …
 
- in all innocence
 - the presumption of innocence
 
 - lack of knowledge and experience of the world, especially of evil or unpleasant things
- Children lose their innocence as they grow older.
 - In her innocence, she agreed to go back with him to his house.
 
Extra Examples- There were claims that the whole nation had somehow lost its innocence.
 - There was a touching innocence about the child's request.
 - The story is about a child's loss of innocence.
 - In her innocence, she had stopped to help a girl who seemed to be injured.
 - I felt I had returned to a state of almost child-like innocence.
 - There was a touching air of innocence about the boy.
 - There is an innocence about the story.
 - She had taken advantage of his innocence.
 - In his innocence he had allowed the salesman in to discuss vacuum cleaners.
 - In her innocence, she had allowed the man into her house.
 - He had lost the innocence of childhood.
 - He grinned with apparent innocence.
 
Oxford Collocations Dictionaryadjective- childish
 - childlike
 - wide-eyed
 - …
 
- lose
 - retain
 - take advantage of
 - …
 
- in your innocence
 - with… innocence
 - innocence about
 - …
 
- an air of innocence
 - a look of innocence
 - the picture of innocence
 - …
 
 
Word OriginMiddle English: from Old French, from Latin innocentia, from innocent- ‘not harming’ (based on nocere ‘injure’).
Idioms 
in all innocence 
- without knowing that something is likely to offend or upset somebody
- I asked if she was married in all innocence.