Solutions Acknowledgement has 8 entries with similar clues
- iouIn short, an acknowledgement of debt
- homageAcknowledgement of superiority
- toucheIn fencing acknowledgement of a hit
- tributeStatement of gratitude and acknowledgement
- peccaviAcknowledgement of wrongdoing or sin
- receiptWritten acknowledgement of payment
- mea-culpaAcknowledgement of one's own fault/guilt
- thank-youPolite acknowledgement