This is the 2102nd most frequent Chinese word.
吉利
Auspicious; lucky.
The word '吉利' in this sentence emphasizes an auspicious or favorable quality of a specific day.
今天是一个非常吉利的日子。
Today is a very auspicious day.
Here '吉利' functions as a proper noun, being the brand name which includes the meaning of auspiciousness as its branding element.
这辆车的牌子叫吉利汽车。
This car's brand is called Geely Automobile.
In this usage, '吉利' conveys the wish for smooth progress and success with auspicious connotations.