Sanskrit

Adjective

सत् • ‎(sat)

1. (pr. p. of √1. अस्) being, existing, occurring, happening, being present ( सतो मे, ‘when I was present’ ; often connected with other participles or with an adverb e.g. नाम्नि कृते सति, ‘when the name has been given’ ; तथा सति, ‘if it be so’ ; also ibc., where sometimes = ‘possessed of’ cf. सत्-कल्पवृक्ष).
2. abiding in (loc.).
3. belonging to (gen.).
4. living.
5. lasting, enduring.
6. real, actual, as any one or anything ought to be, true, good, right ( तन् न सत्, ‘that is not right’), beautiful, wise, venerable, honest (often in comp. » below).

Noun

सत् • ‎(m)

1. a being, (pl.) beings, creatures.
2. a good or wise man, a sage.
3. good or honest or wise or respectable people.

Noun

सत् • ‎(n)

1. entity or existence, essence
2. that which is good or real or true, reality, truth

Derived terms

• सत्कार ‎(satkāra)
• सत्कृत्य ‎(satkṛtya)
• सत्त्व ‎(sattva)
• सत्य ‎(satya)
• सत्पति ‎(satpati)
• सत्पथ ‎(satpatha)
• सत्पुत्र ‎(satputra)
• सत्फल ‎(satphala)
• सत्संकल्प ‎(satsaṃkalpa)

References

• Monier William's Sanskrit-English Dictionary, 2nd Ed. 1899.