purchase
noun
the acquisition of something for payment
“they closed the purchase with a handshake”
something acquired by purchase
a means of exerting influence or gaining advantage
“he could get no purchase on the situation”
the mechanical advantage gained by being in a position to use a lever
Synonymsleverage
verb
obtain by purchase; acquire by means of a financial transaction
“The family purchased a new car”
“The conglomerate acquired a new company”
Synonymsbuy
Source: WordNet 3.1, Princeton University