sadhuna

sādhunā by the good activity itself; SB 10.32.22
sādhunā pure devotee; SB 12.10.7
sādhunā by the good activity itself; CC Adi 4.180
sādhunā by pious activities; CC Madhya 8.93
sādhunā by the good activity itself; CC Antya 7.44