The definition of 'absolve' is to declare someone free of guilt, responsibility, or blame. There are many synonyms for the word 'absolve.' Some of them include 'acquit,' 'pardon,' 'relieve,' 'vindicate,' and 'forgive.' In terms of social studies, absolving someone may involve proving that they did not commit a crime or are not guilty because of self-defense or mental instability. Hope this helps.