The phrase "a multitude of conversations" is correct and usable in written English.
It can be used to describe a large number of discussions or dialogues occurring simultaneously or over a period of time.
Example: "During the conference, there were a multitude of conversations happening in every corner of the room."
Alternatives: "a variety of discussions" or "numerous dialogues".
(Media people are obsessed with ratings; modern politicians are opportunistic; people get falling-down drunk at Oktoberfest. Imagine!) More seriously, very little actually happens for ages beyond a multitude of contrived conversations in which the party who isn't Adolf Hitler marvels at Hitler's ability to stay in character, while Hitler himself is, well, Hitler.
Often you can't describe what he brings to the side because it is just a multitude of things, little conversations he has with people and little thoughts he puts on to paper that he actually brings into fruition in practice.
But mostly, television is a toppled Tower of Babel, scattered snatches of conversation about a multitude of shows.
That's no concern to Eric who, in his high-tech limousine, is cocooned from the woes of the collapsing society right outside his window, instead engaging in multiple intelligentsia conversations with a multitude of guests.
In his seminars, Lacan deftly maneuvered within and between a multitude of theoretical currents, putting psychoanalysis into conversation with the history of philosophy, phenomenology, existentialism, structuralism, post-structuralism, feminism, and, as already indicated, just about every discipline represented in the university.
I know there is a multitude of women ready for board appointments, but from the conversations I have had it seems the root of the problem may be accessing this pool of talent.
In their famous primer on conversation analysis, Sacks et al. define recipient design as "a multitude of respects in which the talk by a party in a conversation is constructed or designed in ways which display an orientation and sensitivity to the particular other(s) who are the co-participants" [8].
People like to be listened to, and in a country as large as America there are a multitude of voices vying for a share of the national conversation.
By producing a multitude of powerful, positive portraits, she seeks to alter the cultural conversation in countries like South Africa and beyond.
Mr. Hague described a multitude of negotiations for a handover, including "seven formal discussions as well as many other conversations".
