He was happy
To welcome Jesus.”
καὶ σπεύσας κατέβη, καὶ ὑπεδέξατο αὐτὸν χαίρων.
Luke said that Zacchaeus hurried down (καὶ σπεύσας κατέβη) from the tree. He was happy to welcome Jesus (καὶ ὑπεδέξατο αὐτὸν χαίρων). Instead of Zacchaeus seeking Jesus, Jesus was seeking Zacchaeus, so that he must have been well pleased at this turn of events. Luke was the only synoptic with this story of Zacchaeus. Did you realize that when you are seeking God, he is seeking you?