The answer is meeting.
''Philadelphia Convention'' my friend
A 7-letter word that can be another name for a convention is "meeting." It refers to a gathering of people for discussion or decision-making on specific topics.
meeting
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x
The letter x.
Guy fs
The Grand Convention was another name for the Constitutional Convention, also referred to by many as the Philadelphia Convention. It took place in Philadelphia starting May 25, 1787 and ended on September 17, 1787.
The word you're looking for is "symposium." It refers to a formal meeting or convention where people gather to discuss a particular topic.
reinvetion
A convention could mean a conference, or something that is a custom.
Reynard