The gorgeous name Aster is of Greek origin and means, ‘Star’, and what a star it is. It derives from root word:
Aster is also the name of a plant with beautiful, purple, daisy-like flowers.
Related names Astra and Astraea are just divine in themselves, and give even more alternate options. Astraea was a Greek goddess of justice and innocence.
This name reminds me of other strong and mysterious names Enza, Vespyr, Estelle and Arius.