relancer

/ʁə.lɑ̃.se/
1.
verbInf1st

to follow up with someone; to remind or chase (for an answer, a payment, etc.)

Je vais relancer le client demain, il n'a toujours pas payé la facture.

I'll follow up with the client tomorrow; he still hasn't paid the invoice.

2.
verbInf1st

to restart, revive or boost (an activity, the economy, sales, a project, a machine)

Il faut des mesures pour relancer l'économie après la crise.

Measures are needed to revive the economy after the crisis.

3.
verbInf1st

to raise (a bet, in poker); to return/send back (a ball, in sports)

Au poker, il a relancé en augmentant la mise.

In poker, he raised by increasing the bet.