The term 'put on the spot' can be summarized by two crossword solutions: 'SITUATE' (7 letters) and 'sited' (5 letters). 'SITUATE' means to place or locate something in a particular position or environment, while 'sited' means to have been placed or located in a particular position or environment. Both terms imply that something has been put in a certain place or situation, which is the essence of the phrase 'put on the spot'.