1. correct, amend. 3, 4. fasten, secure, stabilize. Fix, establish imply making firm or permanent. To fix is to fasten in position securely or to make more or less permanent against change, especially something already existing: to fix a bayonet on a gun; fix a principle in one's mind. To establish is to make firm or permanent something (usually newly) originated, created, or ordained: to establish a business, a claim to property. 5. establish, define. 27. dilemma, plight, quandary.