S: (v) hash out, discuss, talk over (speak with others about (something); talk (something) over in detail; have a discussion) "We discussed our household budget"
S: (v) negociate, negotiate, talk terms (discuss the terms of an arrangement) "They negotiated the sale of the house"
S: (v) negociate (confer with another in order to come to terms or reach an agreement) "The parties negociated all night"
S: (v) powwow (hold a powwow, talk, conference or meeting)
S: (v) thrash out, hammer out (discuss vehemently in order to reach a solution or an agreement) "The leaders of the various Middle Eastern countries are trying to hammer out a peace agreement"