Obtaining which, a person becomes perfected (siddha), becomes immortal, becomes fulfilled.
Narada Bhakti Sutras
नारदभक्तिसूत्राणि
मूल श्लोकः
यल्लब्ध्वा पुमान् सिद्धो भवति अमृतो भवति तृप्तो भवति॥
yal labdhvā pumān siddho bhavati amṛto bhavati tṛpto bhavati
NBS 1.4