Answer: cornerstone

AnswerCrossword Clue
CORNERSTONEFoundation
CORNERSTONEPart of a foundation.
CORNERSTONEBasic element
CORNERSTONEBuilding block
CORNERSTONEPlace for a date, frequently
CORNERSTONEPlace to find a date
CORNERSTONEPlace to look for a date
cornerstoneAn important quality or feature on which a particular thing depends or is based
cornerstoneA stone that forms the base of a corner of a building, joining two walls
cornerstonea stone forming a part of a corner or angle in a wall
cornerstoneA stone ceremonially laid usually at the corner of a foundation to mark the occasion of a building being erected