ligar

ligar » to call, connect

Use ligar to talk about calling or connecting – almost always when talking about modern technology: telephones, computers, networks.

ligar
to call, turn on
euligo
você, ele, elaliga
nósligamos
vocês, eles, elasligam

Complete conjugation.

Eu vou ligar para você. (I'm going to call you.)

Você quer ligar à Internet? (Do you want to go online?)

Ligar can also be used to express caring or, connectedness.

Eu não ligo. (I don't care.)