iniciar in English:

The meeting held in Camp David initiated the peace process for the Middle East.

A conciliation commission shall initiate proceedings upon a written or oral application by an employee.

Hague initiated a series of reforms of the Conservative Party.

You could see by her uniform that she's just an initiate.

They have decided to initiate legal proceedings against the newspaper.

Because the Republican leadership in the House of Representatives will almost certainly not initiate the ouster of a Republican President, the first step in any realistic path to impeachment is for Democrats to gain control of the House.