1

Estimate

Definition

Roughly calculate or judge the value, number, quantity, or extent of.

Example

She estimated that her donation would benefit over a hundred children.

2

Function

Definition

An activity that is natural to or the purpose of a person or thing

Example

Bridges perform the function of providing access across water.

3

Involve

Definition

Have or include (something) as a necessary or integral part or result.

Example

My job involves a lot of travelling.