The meaning of fix is to make something whole or able to work properly again : How to use fix in a sentence. Fix meaning “to repair,” which is probably an americanism, is fully standard in all varieties of speech and writing.
Fix (to) meaning “to prepare, plan (to)” is another americanism: Fix.com is a one-stop source for fixing products in and around your home. "let's fix the date for the party!" "that'll fix him good!";
Fix lunch for the kids. To fix is to fasten in position securely or to make more or less permanent against change, esp. To fix a bayonet on a gun;
Fix a principle in one's mind.