Welche Bedeutung steckt hinter der hier vorgestellten Vokabel aus dem Bereich Meetings?

'I've been thinking about how to save energy in the office. I want to float an idea to see if it's feasible.'

to float an idea

Do you know what it means?

• to suggest something and await people's reactions
• to demand that an idea be accepted unconditionally by everyone
• to be unconvinced of one's own idea