avisarle

to let him/her know, to notify him/her

→ avisar
avis to let know, to notify, to inform + ar Infinitive + le his/her/your (body part), to someone
verb Rare #30,255
to let him/her know, to notify him/her The ending -le refers to the person being notified; depending on context, it can mean “you” formally as well.
SP: Voy a avisarle a Ana cuando llegues.
EN: I'm going to let Ana know when you arrive.
Conjugation of avisar
Past
Indicative present
SingularPlural
First aviso avisamos
Third avisa —
Subjunctive present
SingularPlural
First aviso avisamos
Third avisa —
Imperative
SingularPlural
Second avisa avísenme
Third avise avisen
Indicative future
SingularPlural
First avisaré avisaremos
Subjunctive future
SingularPlural
First avisaré avisaremos
Indicative past
SingularPlural
First avisé avisamos
Second avisaste —
Third avisó avisaron
Subjunctive
SingularPlural
Third — avisaran

Vamos a avisarle que ya está aquí su paciente, por favor.

We'll let you know that your patient is here, please.

— Roma (2018)

¿Alguien puede ir a avisarle que estoy yendo a buscarlo?

Can someone go and let him know I'm on my way to pick him up?

— Mi pobre angelito (1990)

¿Hay algún familiar al que podamos avisarle?

Is there a family member we can notify?

— Amores perros (2000)

¡Debo avisarle!

I must warn him!

— Moulin Rouge, amor en rojo (2001)

Vete a avisarle.

Go tell him.

— Los olvidados (1950)

¿Quién más pudo avisarle a la Fundación?

Who else could have notified the Foundation?

— Los chicos del coro (2004)

¿Puedo avisarle a mi hermana?

Can I let my sister know?

— Incendios (2010)

Tenemos que avisarle.

We need to warn him.

Sólo quería avisarle.

I just wanted to let you know.

— Hellfire (2026)

Desearía poder avisarle a Tom que estamos llegando.

I wish I could let Tom know we're arriving.

Alguien tenía que avisarle a su esposa.

Someone had to let his wife know.

Tengo que avisarle a Pepe inmediatamente.

I have to let Pepe know immediately.

— Nosotros los pobres (1948)