This is the 8717th most frequent Portuguese word.
alegrar
To make happy or to cheer up.
Here, 'alegrar' is used as a verb meaning 'to cheer up or make someone happy'.
Eu gosto de alegrar meus amigos com boas notícias.
I like to cheer up my friends with good news.
In this sentence, 'alegrar' conveys the sense of 'bringing joy or happiness' to oneself.
O canto dos pássaros pela manhã alegra meu espírito.
The singing of birds in the morning brightens my spirit.
The use of 'alegrar' here means 'to enliven or bring joy to an occasion or situation'.