There are a number of synonyms that can be used to replace the phrase "gotten bang out of", which generally means to find great enjoyment or satisfaction from something. Some possible alternatives might include phrases like "had a blast", "enjoyed immensely", "found great pleasure in", "experienced a thrill from", or "derived immense satisfaction from". Other possible options might include phrases like "had a good time", "loved every minute of", "thoroughly enjoyed", or "gained great pleasure from". Ultimately, the choice of synonym will depend on the context of the sentence and the tone that the writer is trying to convey.