Valmiki Ramayana Yuddha Kanda Sarga 34 Shloka 2

ततः then, कालज्ञा who knows the time to do, स्मितपूर्वाभिभाषिणी who smiles before talking, सखी friend, सख्याः beloved, तस्याः her, हितम् welfare, चिकीर्षन्ती desirous of doing anything, काले in time, वचः these words, उवाच spoke.

Then Saarana who knew the right time to do so, wishing the welfare of her dear friend Sita and desirous of doing anything for her smiled before she started speaking.