Sa'id bin Jubayr (may Allah have mercy on him) said: (It is) that he settles with her on such and such terms that she will not marry anyone else. And regarding "except that you speak an honourable word" [Surah al-Baqarah: 235], he said that he may say: "I am desirous of you, and I hope that we will come together."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب النكاح / 14024