in Indian religion, "one who has attained perfection and bliss," 1846, from Sanskrit siddhah "accomplished, achieved, successful, possessing supernatural power, sorcerer, saint," related to sidhyati "reaches his goal, succeeds," sadhuh "right, skilled, excellent, a holy man."
Examples from the Web for siddha
“And now you,” said he, approaching Siddha, as he drew his sword from the scabbard.
Extraordinary was the impression which the sight of this recluse made on Siddha.
Instantly Siddha drew back a step, and laid his hand on the dagger in his belt.
But,” Siddha said, after a moment of silence, “who then is Gurupada?
And here he turned to Siddha: “It is but lately that I met you.”