"receipts" in the noun sense
1. reception, receipt
the act of receiving
2. receipt
an acknowledgment (usually tangible) that payment has been made
"receipts" in the verb sense
1. acknowledge, receipt
report the receipt of
"The program committee acknowledged the submission of the authors of the paper"
2. receipt
mark or stamp as paid
Source: WordNet® (An amazing lexical database of English)
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