samsevaya
saṃsevayā — according to the degree of service rendered by the devotee; SB 7.9.27
saṃsevayā — such devotional service; SB 7.9.50
tīrtha-saṃsevayā — by worshiping the holy places; SB 9.15.41
sattva-saṃsevayā — by taking to the mode of goodness; SB 11.25.34