estimatees·ti·mate1 /ˈestəmət/ noun [countableC]1a calculation of what the value, size, amount etc of something will probably beThey were able to give us a rough estimate (=a not very exact one) of the cost.
Even the most conservative estimates (=deliberately low) suggest we need to build one million new homes.
2a statement of how much it will probably cost to build or repair somethingSYN QUOTATION, QUOTEGet several estimates before starting any building work.
Nuclear power stations are notoriously unreliable and construction costs go way over original estimates.