Other crossword clues for answer "RETROFIT"RETROFITUpgrade, in a wayModernize mechanicallySubstitute new parts for oldMake less vulnerable to earthquakes, sayUpdate equipment, in a wayUpgrade technologicallyModify equipment, in a wayModernize, maybeAdd GPS to a Model T, e.g.Furnish a plane with new partsModernize, as an airplanePut new parts on, in a wayAdd new parts to, saySupply with updated partsFurnish with new parts