This is the 15076th most frequent Turkish word.
sevinç
Joy; happiness.
Here, 'sevinç' is used as a noun indicating a state of happiness experienced during the day described.
Sevinç dolu bir gün yaşadık.
We had a day full of joy.
In this sentence, 'sevinç' is a noun referring to the visible emotion observed on someone's face.
Onun yüzündeki sevinç beni de mutlu etti.
The joy on her face made me happy too.
Here, 'sevinç' signifies the emotional satisfaction derived from the act of sharing knowledge and is used as a noun to express this feeling.