vaḍḍhati : [vaḍḍh + a] grows; prospers.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Vaḍḍhati [Vedic vardhati, vṛdh, cp. Av. vərədaiti to increase. To this root belongs P. uddha "high up" (=Gr. orqo/s straight). Defd at Dhtp 109 simply as "vaḍḍhane"] primary meaning "to increase" (trs. & intrs.); hence: to keep on, to prosper, to multiply, to grow S i.15 (read vaḍḍh˚ for vaṭṭ˚); ii.206 (vaṇṇena);iv.73, 250; A v.249 (paññāya); Sn 329 (paññā ca sutañ ca); J iii.131 (porāṇaŋ vaḍḍhaŋ vaḍḍhataŋ, imper. med. 3rd sg.); v.66 (sadā so vaḍḍhate rājā sukka -- pakkhe va candimā); Pv i.12 (dātā puññena v.); Pug 71; Miln 9; Mhvs 7, 68 (putta -- dhītāhi vaḍḍhitvā having numerous sons & daughters); 22, 73 (ubho vaḍḍhiŋsu dārakā, grew up); SnA 319; PvA 94. -- ppr. vaḍḍhamāna (1) thriving KhA 119 (read as Vaḍḍh˚, Np.); -- (2) increasing J i.199 (putta -- dhītāhi); Mhvs 23, 34 (˚chāyāyaŋ as the shadows increased). -- See also pari˚. -- pp. vaḍḍha, vaddha, vuḍḍha, vuddha, buḍḍha. -- Caus. I. vaḍḍheti, in many shades of meaning, all based upon the notion of progressive motion. Thus to be translated in any of the foll. senses: to increase, to make move on (cp. vv. ll. vaṭṭeti), to bring on to, to further; to take an interest in, to indulge in, practise; to be busy with, cause to prosper; to arrange; to make for; and in a general sense "to make" (cp. derivation vaḍḍhaka "maker," i. e. tailor; vaḍḍhaki id., i. e. carpenter; vaḍḍhana, etc.). The latter development into "make" is late. -- 1. to increase, to raise Sn 275 (rajaŋ); DA i.115; Mhvs 29, 66 (mangalaŋ to raise the chant); PvA 168 (+brūheti). -- 2. to cultivate (vipassanaŋ insight) J i.117 (aor. ˚esi); PvA 14. -- 3. to rear, to bring up Mhvs 35, 103 (aor. vaḍḍhesi). -- 4. (with ref. to food) to get ready, arrange, serve in (loc.) J iii.445 (pātiyā on the dish);iv.67 (karoṭiyaŋ), 391. -- 5. to exalt J i.338 (akulīne vaḍḍhessati). -- 6. to participate in, to practise, attend to, to serve (acc.) S ii.109 (tanhaŋ); A ii.54 (kaṭasiŋ to serve the cemetery, i. e. to die again and again: see refs. under kaṭasi); Vism 111 (kasiṇaŋ), 152. -- 7. to make move on, to set into motion (for vaṭṭeti?), intasaraŋ v. SnA 265, 266. -- 8. to take up Mhvs 26, 10 (kuntaŋ). -- pp. vaḍḍhita. -- Caus. II. vaḍḍhāpeti: 1. to cause to be enlarged Mhvs 35, 119. <-> 2. to cause to be brought up or reared J i.455. -- 3. to have attended to Vin ii.134 (massuŋ). -- 4. to cause to be made up (of food) J iv.68.

Pali-English Dictionary, TW Rhys Davids, William Stede,