Crossword clues for Start to catch up to:ONTOCatch ____ (start to get)ONTOCatch ___ (start to get)ONTOCatch ___ (start to understand)ONTOCatch _____ (start to get)GAINONStart catching up toGAINGROUNDStart catching up [last word: #2 of message]GAINStart to catch upGAINONStart to catch up toHUFFANDPUFFCatch your breath, or what the subject of this puzzle (found at the start of 17-, 29- and 45-Across) does