This is the 2394th most frequent Portuguese word.
aconteça
"That it happens" (subjunctive form of "acontecer").
Here, 'aconteça' is used in the subjunctive to express uncertainty about what might occur.
Não importa o que aconteça, estarei ao seu lado.
It doesn't matter what happens, I will be by your side.
In this instance, 'aconteça' in the subjunctive mood expresses a wish for positive events.
Espero que todo o melhor aconteça na sua vida.
I hope all the best happens in your life.
Here 'aconteça' is utilized in the subjunctive to convey a hope or desire, emphasizing the unreal or hypothetical nature.