This is the 13460th most frequent Turkish word.
konuşabilirler
"They can speak."
In this case, 'konuşabilirler' represents the potential outcome of becoming fluent in languages if the prerequisite condition is met.
Eğer yeterince çalışırlarsa, birkaç dilde akıcı bir şekilde konuşabilirler.
If they work hard enough, they can speak fluently in several languages.
This usage of 'konuşabilirler' indicates they have the ability to communicate or talk about the topic provided they understand it.
Eğer bu konuyu anlayabiliyorlarsa, detayları konuşabilirler.
If they understand this topic, they can discuss the details.
Here, 'konuşabilirler' suggests permission or opportunity for everyone to speak during the meeting.