Dictionary Definition:
sādhú mf(vií)n. straight, right RV. AV. BhP
• leading straight to a goal, hitting the mark, unerring (as an arrow or thunderbolt) RV. ŚBr
• straightened, not entangled (as threads) Kauś
• well-disposed, kind, willing, obedient RV. R
• successful, effective, efficient (as a hymn or prayer) RV. Kām
• ready, prepared (as Soma) RV. AitBr
• peaceful, secure RV
• powerful, excellent, good for (loc.) or towards (loc., gen., dat., acc., with prati, anu, abhi, pari, or comp.) ŚBr. &c. &c
• fit, proper, right VarBṛS
• good, virtuous, honourable, righteous ŚBr. Mn. MBh. &c
• well-born, noble, of honourable or respectable descent W
• correct, pure
• classical (as language) ib
• m. a good or virtuous or honest man ŚBr. Mn. MBh. &c
• a holyman, saint, sage, seer Kālid
• (with Jainas) a Jina or deified saint W
• a jeweller Hit
• a merchant, money-lender, usurer L
• (in gram., accord. to some) a derivative or inflected noun
• (vii), f. a chaste or virtuous woman, faithful wife Mn. MBh. &c
• a saintly woman W
• a kind of √(= medā) L
• n. the good or right or honest, a good &c. thing or act (sādhv asti with dat., 'it is well with-'
• sādhu-√man with acc., to consider a thing good, approve') RV. &c. &c
• gentleness, kindness, benevolence ŚBr. MBh. &c
• (ú), ind. straight, aright, regularly RV. AV
• well, rightly, skilfully, properly, agreeably (with √vṛt and loc., 'to behave well towards' [once sā́dhu', in RV. viii, 32, 10]
• with √kṛ, 'to set eight'
• with √ās, 'to be well or at ease') RV. &c. &c
• good! well done! bravo! ŚBr. MBh. &c
• well, greatly, in a high degree R. Kām. BhP
• well, enough of. away with (instr.)! MBh. Pañcat
• well come on! (with Impv. or 1. pr.) MBh. Kāv. &c
• assuredly, indeed R. Kām. [Page 1201, Column 3]