Name #98 of 1000 · Viṣṇu Sahasranāma
सिद्धिःsiddhiḥ
Siddhi
Perfection itself — the goal of every practice
From shloka 11 · chapter Matsya
अजः सर्वेश्वरः सिद्धः सिद्धिः सर्वादिरच्युतः ।
वृषाकपिरमेयात्मा सर्वयोगविनिःसृतः ॥
ajaḥ sarveśvaraḥ siddhaḥ siddhiḥ sarvādiracyutaḥ
vṛṣākapirameyātmā sarvayogaviniḥsṛtaḥ
Also in this shloka: ajaḥ · sarveśvaraḥ · siddhaḥ · sarvādiḥ · acyutaḥ · vṛṣākapiḥ · ameyātmā · sarvayogaviniḥsṛtaḥ