The term CREPT QUIETLY is a combination of two words, 'crept' and 'QUIETLY'. The first word, 'crept', is a verb meaning to move slowly and carefully, usually in order to avoid being noticed. The second word, 'QUIETLY', is an adverb meaning without making any noise. Together, the term CREPT QUIETLY can be used to describe someone or something that moved slowly and carefully, without making any noise. In the context of a crossword puzzle, the answer to the clue 'Stole' (5 letters) would be 'crept'.