(cf. √ ṛdh and radh) cl. 5. 4. P. ([Dhātup. xvii, 16]; [xxvi, 71]) rādhnóti, rādhyati (Ved. also pr. rādhati and rā́dhyate; pf. rarā́dha, [RV.] &c. &c. [2. sg. rarādhitha or redhita, cf. [Pāṇ. vi, 4, 123]]; aor., arātsīt, rādhiṣi, [AV.]; [Br.]; Prec. rādhyāsam, [ib.]; fut. rāddhā Gr.; rātsyati, [AV.]; [Br.]; ind.p. rāddhvā́, -rādhya, [Br.]), to succeed (said of things), be accomplished or finished, [VS.]; [TS.]; [AV.]; to succeed (said of persons), be successful with (instr.), thrive, prosper, [RV.]; [TS.]; [Br.]; [GṛŚrS.]; to be ready for, submit to (dat.), [AV.]; to be fit for, partake of, attain to (dat. or loc.), [Āpast.]; [TUp.]; (rādhyati) to prophesy to (dat.), [Pāṇ. i, 4, 39], [Kāś.]; to accomplish, perform, achieve, make ready, prepare, carry out, [RV.]; [VS.]; [Br.]; to hit, get at (acc.), [TS.]; to propitiate, conciliate, gratify, [RV.]; [AitBr.]; to hurt, injure, destroy, exterminate, [Bhaṭṭ.] (cf. [Pāṇ. vi, 4, 123]) : Pass. rādhyate (aor. árādhi), to be conciliated or satisfied, [RV.] (cf. rādhyate above) : Caus. rādháyati (aor. arīradhat, [Br.]; Pass. rādhyate, [MBh.]), to accomplish, perform, prepare, make ready, [AV.] &c. &c.; to make favourable, propitiate, satisfy, [TS.]; [TBr.] : Desid. of Caus. rirādhayiṣati, [Br.] : Desid. rirātsati or -ritsati, [Pāṇ. vii, 4, 54], Vārtt. 1, [Pat.] : Intens. rārādhyate, rārāddhi Gr.
[cf. √ iradh; Goth. garêdan, rathjō; Slav. raditi.]