-स्यति (Imper. 2. dual number -स्यतम्; Aorist subjunctive -सात्) to loosen, deliver from fg-veda vi, 74, 3 and vii, 28, 4 TS. S3Br.; (Imper. 2. sg. -स्य; Aorist /अवा*सात् TBr. etc. Aorist 3. plural /अवा*सुर् fg-veda i, 179, 2; indeclinablepage and participle -स्/आय fg-veda i, 104, 1; Vedic or Veda Inf. -सै fg-veda iii, 53,20) Vedic or Veda to unharness (horses), put up at any one's house, settle, rest fg-veda etc.; to take, one's abode or standing-place in or upon (locative case) AV. ix, 2, 14 TBr.; to finish, terminate (one's work) S3a1n3khS3r. RPra1t. etc.; to be finished, be at an end, be exhausted Kir. xvi, 17; to choose or appoint (as a place for dwelling or for a sacrifice) TS. S3Br.; (Potential 2. sg. -सेयास्; confer, compare Pa1n2. 6-4, 67) to decide Bhat2t2., to obtain BhP. : Causal -साययति (indeclinablepage and participle -स्/आय्य) to cause to take up one's abode in or upon (locative case) TS. AitBr. S3Br.; (indeclinablepage and participle -साय्य) to complete Ragh. v, 76; (Inf. [in Passive voice sense] -साय्ययितुम्) to ascertain, clearly distinguish Kir. ii, 29. Passive voice -सीयते (confer, compare Pa1n2. 6-4, 66) to be obtained BhP.; to be insisted upon MBh. xii, 554 (edition Bombay edition in active sense "to insist upon"); to be ascertained BhP. Sarvad.
Source: Monier-Williams