Related Clues:

• Sounds as if one has divined that one is only staying
• Estimated that one is staying, by the sound of it
• Might have divined, by the sound of it, that one was not a club member
• Sounds as if one might have got the answer to 21 across
• Sounds as if you've got the answer that's staying
• The host has found the answer to this, by the sound of it
• Divine the sound of the one that will stay
• The one on holiday is into a trout
• Sounds as if one may estimate one is staying
• Unexpected visitor ... and a hint to 20-, 33-, 40- and 52-Across
• Briefly visit
• Spare-room user
• See 2
• Guest for the bingo official
• Informally visit doctor at home about a small operation