initiate a discussion	initiator
provide the topic for a discussion	initiator
bring up a topic for discussion	initiator
define a problem	initiator
take the initiative during discussion	initiator
put ideas on the table	initiator
offer a new point of view on problems	initiator
set the agenda	facilitator/leader
lead the discussion	facilitator/leader
encourage the others to join in	facilitator/leader
keep people focused on the topic	facilitator/leader
moderate the discussion	facilitator/leader
invite one to express his/her opinion	facilitator/leader
raise a problem for a debate	facilitator/leader
stimulate the group to more active discussion	facilitator/leader
question everything that is said	devil's advocate/skeptic
question an argument	devil's advocate/skeptic
pose a problem	devil's advocate/skeptic
oppose one's ideas	devil's advocate/skeptic
take a contrary position	devil's advocate/skeptic
avoid coming to agreement too quickly	devil's advocate/skeptic
review ideas for potential problems	devil's advocate/skeptic
ensure equal participation	timekeeper
move the group along	timekeeper
control the discussion in terms of task completion	timekeeper
maintain the discussion in the time schedule	timekeeper
have control over time	timekeeper
watch the time	timekeeper
to monitor the time/deadlines	timekeeper
keep the track of time	timekeeper
mind how much time is left	timekeeper
summarize the conclusions	summarizer/clarifier
bring the discussion to an end	summarizer/clarifier
sum up the main points	summarizer/clarifier
clarify the results obtained in a discussion	summarizer/clarifier
help the others understand the relationship of the answers	summarizer/clarifier
clear up confusion	summarizer/clarifier
make a conclusion	summarizer/clarifier
prevent misunderstandings	summarizer/clarifier
take notes	reporter/recorder
keep notes on important thoughts	reporter/recorder
speak for the group	reporter/recorder
report an observation	reporter/recorder