advance

A forward move; improvement or progression.

"an advance in health or knowledge"

An amount of money or credit, especially given as a loan, or paid before it is due; an advancement.

An addition to the price; rise in price or value.

"an advance on the prime cost of goods"

To promote or advantage.

To move forward in space or time.

To raise, be raised.

Completed before necessary or a milestone event.

"He made an advance payment on the prior shipment to show good faith."

Preceding

"The advance man came a month before the candidate."

Forward

"The scouts found a site for an advance base."