1pos·tu·late 
/ˈpɑ:stʃəˌleɪt/ verb
pos·tu·lates; pos·tu·lat·ed; pos·tu·lat·ing /ˈpɑ:stʃəˌleɪt/ verb [+ obj] formal : to suggest (something, such as an idea or theory) especially in order to start a discussion
▪ The theory postulates [=claims, posits] that carbon dioxide emissions contribute to global warming. ▪ Scientists have postulated the existence of water on the planet.
▪ The theory postulates [=claims, posits] that carbon dioxide emissions contribute to global warming. ▪ Scientists have postulated the existence of water on the planet.
