an event or situation that happens at the same time as or in connection with another
"The rain was a natural attendant of the stormy weather forecasted by meteorologists."
One who attends; one who works with or watches over something.
"The flight attendant served drinks to passengers while monitoring the cabin safety."
In plain English: An attendant is someone who works to take care of people, handle tasks for them, or keep an area clean and safe.
"The flight attendant helped us put our carry-on bags into the overhead compartment."
Usage: Use "attendant" as an adjective to mean accompanying or inevitable, but reserve the noun form specifically for a person employed to serve others rather than using it generically for any helper. Avoid confusing this role with similar terms like "usher," which implies guiding people through a venue rather than providing direct service.
occurring with or following as a consequence
"an excessive growth of bureaucracy, with attendant problems"
"snags incidental to the changeover in management"
"attendant circumstances"
"the period of tension and consequent need for military preparedness"
"the ensuant response to his appeal"
"the resultant savings were considerable"
"collateral target damage from a bombing run"
Going with; associated; concomitant.
"The attendant risks of smoking include lung cancer and heart disease."
In plain English: Attendant means something that goes along with another thing, like an accessory to your outfit.
"The attendant facilities at the concert were very comfortable and easy to use."
The word "attendant" comes from the Old French term attendant, which entered English via Middle English. It is formed by combining the root for "to wait upon" with a suffix meaning one who performs that action.