Sceing that high and wonderful Vaishnava form of Vishnu, in fact, seeing the Supreme Lord in (that guise) the Brahmana Utanka became filled with wonder.
तद् दृष्ट्वा परमं रूपं विष्णोर्वैष्णवमद्भुतम्। विस्मयं च ययौ विप्रस्तं दृष्ट्वा परमेश्वरम्॥