verb
transact
tranz-AKT/trænˈzækt/
To carry out a business dealing.
The two businesspeople transact a sale by exchanging goods and payment.

Etymology
Latin “drive through” developed into “carry through, accomplish, settle,” connecting the roots with carrying out business. The English verb may come directly from Latin or be a back-formation from transaction.
In context
do business with me for the berries she sold and I a different man who lives on the other end of the cave is going to transact with her.
More examples
- The two companies transact directly with each other.
- She transacts most of her business over the phone.
- We transacted no business during the holiday.
Forms
transact · transacts · transacted · transacting
transaction noun — A business dealing or completed exchange.