The term "utilisation" has several meanings, depending on its context.
In a general sense, utilisation refers to using something for its intended purpose or putting it into practice. For example, when someone says they are going to put their car to good utilisation by driving it to work every day, this means that the person will be making full use of their vehicle in order to get around.
In a more specific sense, "utilisation" can refer to the way resources or assets are used and managed within an organisation or system. For example, when discussing the utilisation rate of a company's manufacturing capacity, this refers to how much of that capacity is being used on a regular basis.
Overall, the term "utilisation" suggests making effective use of something in order to achieve a desired outcome or result.