A #5th is often referred to as augmented, so if you see A7(aug 5) on a chord chart, this is it! This would be a D9 chord, but if we look at it from low to high, we have: root (D) - major 3rd (F# ...

This can be off putting until you realise that virtually all altered chords are based around a small selection of more familiar shapes. Have a look for yourself. This would be a D9 chord ...