Alegrarse (de)
To become happy
Divertirse (ie, i)
To have fun
Enamorarse (de)
To fall in love (with)
Enfermarse
To become sick
Enojarse (con)
To become angry (with)
Olvidarse (de)
To forget
Ponerse +adj.
To get/become +adj.
Sentirse (ie, i) +adj.
To feel +adj.
Encontrarse (ue) (con)
To meet up with someone
Irse
To go away/leave
Llevarse (bien/mal)
To get along (well/badly)