preposition

for

In return for or instead of the specified thing.

The farm sells fresh eggs for four dollars a dozen.

Etymology

The inherited preposition developed an exchange relationship. What is given for something stands as its return or replacement, linking the two sides of the transaction.

More examples

  • We trade our extra chairs for a small desk.
  • You can substitute yogurt for sour cream in this recipe.
  • Maya fills in for the manager during lunch.

Similar words

in exchange for
Specifically marks a trade, not a replacement or substitute.
instead of
Specifically marks replacement or substitution, not a purchase price.