
1) Tantric practice
Found on
https://www.crosswordclues.com/clue/siddhi

==Etymology== Siddhi is a Sanskrit noun which can be translated as `perfection`, `accomplishment`, `attainment`, or `success`.{sfn|Apte|year unknown|p=986} In Tamil the word Siddhar/Chitthar refers to someone who has attained the Siddhic powers & knowledge. Chith is pure consciousness/knowledge in Sanskrit also. ==Origins== The earliest ap...
Found on
http://en.wikipedia.org/wiki/Siddhi

Supernatural attainment/psychic power.
Found on
http://viewonbuddhism.org/glossary_az.html

Spiritual perfection, being at one with reality. Siddhi often involves paranormal ability.
Found on
http://www.encyclo.co.uk/local/22150

perfection; refers specifically to the eight mystic powers, such as the ability to become very light.
Found on
https://iskconeducationalservices.org/HoH/extras/02glossary.htm

Supernormal power
Found on
https://shaivam.org/

(Skr.) Reaching of the aim, success, particularly the attainment of supernatural powers, such as clairvoyance, clairaudience, levitation, the penetration of matter, etc, claimed for the Yogin (q.v.) in the highest stage of the practice of Yoga (q.v.). -- K.F.L.
Found on
https://www.encyclo.co.uk/local/21203
No exact match found.