The term 'Innocent Sort' can be broken down into two crossword solutions: NAIF (4 letters) and CHILD (5 letters). NAIF is a French word meaning 'NAIVE' or 'UNSOPHISTICATED'. It is often used to describe someone who is inexperienced or unaware of the consequences of their actions. CHILD is an English word meaning 'a young person between birth and puberty'. It is often used to refer to someone who is still developing and learning about the world around them. Together, these two words form the phrase 'Innocent Sort', which is used to describe someone who is NAIVE, inexperienced, and still learning about the world.