The One who is the Excellence within Every Mantra
The One who is the Most Excellent Advisor
The One who is the Most Learned Advisor
This name also associates very well with the ability that Adya Kali bestows on her devotees, the ability to move within the most difficult paths with absolute ease that makes them unimaginably unpredictably ahead at all times.
Often times the contemporaries remain clueless.
Hence the name, SUMANTRA