The crossword solutions for the term START TO SENSE are NON, which is a three-letter word. Non is a French word meaning 'not' or 'NO'. It is used in many contexts, such as in legal documents, TO indicate that something is not applicable or does not exist. It is also used in everyday language TO express disagreement or refusal. In philosophy, non is used TO refer TO the absence of something, such as an idea or concept.