proponent

"to present an envoy to the king"

"My friend told me there was something in the box, but I didn't know what it was yet. "

"We prepared the spacecraft for takeoff."

"My teacher made a proposition for a new class project: a school-wide recycling drive. "

"I propose going to see a film."

"The responsible for the project is Maria. "

"The pizza was delicious, so I ate two slices. "

"to present an envoy to the king"

"The teacher propounded several theories about the causes of the recent student protests. "

"The advocate presented compelling evidence in court to defend the student accused of cheating. "

"The old wooden table had weak supports and wobbled easily. "

"The committee reviewed three proposals for the new park design. "