class

noun

• 1a set or category of things having some property or attribute in common and differentiated from others by kind, type, or quality:the accommodations were good for a hotel of this class a new class of heart drug
• Biology a principal taxonomic grouping that ranks above order and below phylum or division, such as Mammalia or Insecta.

• 2the system of ordering a society in which people are divided into sets based on perceived social or economic status:people who are socially disenfranchised by class [as modifier]:the class system
• a social division based on social or economic status:the ruling class
• (the classes) archaic the rich or educated.
• informal impressive stylishness in appearance or behavior:she’s got class—she looks like a princess

• 3a group of students who are taught together.
• an occasion when students meet with their teacher for instruction; a lesson:I was late for a class
• a course of instruction:I took classes in Indian music
• chiefly North American all those graduating from a school or college in a particular year:the class of 1907

verb

• assign or regard as belonging to a particular category:conduct that is classed as criminal

adjective

• showing stylish excellence:he’s a class player