This is the 11179th most frequent Turkish word.
dönmesine
"Dönmesine" means "to its/his/her/its returning" or "to the act of turning/returning."
In this sentence, 'dönmesine' is used as a noun phrase derived from the verb 'dönmek' (to return), indicating the state of Ali's returning. It is in dative case, showing receptivity towards feelings of joy.
Ali'nin eve dönmesine çok sevindim.
I was very glad that Ali returned home.
Here, 'dönmesine' is used to express the act of the ship returning to the harbor, and 'olanak sağlandı' implies causation or facilitation of this action.
Rüzgarın yön değiştirmesiyle, geminin limana dönmesine olanak sağlandı.
With the wind changing direction, it became possible for the ship to return to the harbor.
In this example, 'dönmesine' relates to the act of returning promptly, indicating that the car's malfunction hindered this return.