Valmiki Ramayana Yuddha Kanda Sarga 26 Shloka 19

राघवस्य: Raghava's, हितैषिणा: well wisher, वेगवता: of great speed, हनूमता: Hanuman, जनकात्मजा: Janaka's daughter, दृष्टाइतियत् had come to see, सासर्वा: for all that, एतस्य: his, मतिः intellect.

"He is a well wisher of Raghava, called Hanuman. He had come to see Janaka's daughter, and his intellect is the cause for all that."