A dais is generally a platform higher than floor level enabling people seated or standing on the dais to be seen by the rest of the people in the room, often upon which is set a "head table" and chairs.
A podium is a raised platform (similar to dais).
Strictly speaking, if one person is standing on a raised platform it's a podium, if there's more than one, it's a dais.
Additionally, a 'lectern' is a desk or stand w/ a slanted top used by public speakers. The lectern is placed on the podium.
dais
Either a podium, or a body of ideas a person [usually apolitical candidate ] espouses. It may be called a Dais.
podium
Rostrum,podium or dais.
Podium, dais, chair, head table, stage
A speakers platform will be called different names depending on the scenario. Common names include pulpit, stage, dais and so many more.
A podium is an elevated platform for a lecturer or orchestra conductor, while a lectern is a reading stand for a public speaker
A podium is a raised platform used to elevate someone from his or her surroundings, traditionally to make them stand out on a stage. In this sense, the word "dais" is a synomym. The word podium has ALSO come to mean a stand used to hold papers (for a lecturer, for example) or music (for a conductor, for instance), so, in this sense, the word "lectern" or "music stand" would be synonyms, depending on the cirumstances.
Dais (typography) dash Dais (literary) heap, stack
podium
The antonym of "dais" is "floor" or "ground."
A dais is a raised platform at the end of a hall. An example sentence would be: Go stand on the dais.