True up is a term that refers to the process of reconciling discrepancies between different sets of data, records, or accounts. Alternative synonyms for true up may include words like reconcile, balance, adjust, align, harmonize, and square. Reconcile is the most commonly used synonym for true up, as it refers to the exact process of ensuring that two sets of data can be aligned and matched accurately. Balance is used to indicate bringing two sets of data into equilibrium. Adjust, align, and harmonize are used to indicate a more general process of bringing different things into similarity or agreement. Finally, Square is used to indicate achieving an outcome that is just and fair.