The phrase "to purchase this dress" means to buy or acquire this specific dress by paying its price.
Sentences with «to purchase this dress»
I recently purchased this dress for my mom who wore it to my sister's wedding. (tidebuy.com)
For a second, I was so interested in purchasing a dress from your list. (brooklynblonde.com)
I wish I had purchased this dress in the solid grey color instead because I still haven't been able to find a solid grey dress I like! (cottoncashmerecathair.com)