This is from the glossary in Perennial Psychology of the Bhagavad Gita by Swami Rama, published by Himalayan International Institute of Yoga Science and Philosophy of the U.S.A., 1985.

SAKSHATKARA. Direct realization of Truth from within. In contrast to perceptual, interential, and any other kind of ordinary knowledge, it signifies the inner, intuitive, spontaneous revelation of the Truth in its totality and purity.

This is from the glossary of Yoga Sutras of Patañjali: With the Exposition of Vyāsa: A Translation and Commentary, Volume I, Samādhi Pāda by Pandit Usharbudh Arya, 1986.

sākṣhāt-kāra Realization; perfect or full realization; come face-to-face. The fourth and highest of the four stages of gaining knowledge.