usage: 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: We're fixing to go to town.
Some common synonyms of fix are affix, attach, and fasten. While all these words mean "to make something stay firmly in place," fix usually implies a driving in, implanting, or embedding.
Definition of fix verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
(transitive) To attach; to affix; to hold in place or at a particular time. A dab of chewing gum will fix your note to the bulletin board. A leech can fix itself to your skin without you feeling it. The Constitution fixes the date when Congress must meet.