The Oxford Thesaurus An A-Z Dictionary of Synonyms - transactionn.

1) deal, dealing, negotiation, matter, affair, business, action, proceeding, agreement, arrangement, bargain: This transaction must not be revealed to the stock market. 2) transactions. proceedings, record(s) , acta, minutes, annals, Colloq goings-on, doings: The Society's transactions are published annually.