to establish formal or informal communication between nations
установить официальную или неофициальную связь между странами (ustanovit' ofitsial'nuyu ili neofitsial'nuyu svyaz' mezhdu stranami)
"The leaders agreed to set up dialogue to discuss trade issues."
"Лидеры согласились установить диалог для обсуждения торговых вопросов." (Lidery soglasilis' ustanovit' dialog dlya obsuzhdeniya torgovykh voprosov.)
to connect or cooperate with people from different groups
to encourage understanding between cultures by communicating...
to suddenly start smiling
to cause a particular result or outcome
to make a device or account secure from threats
to meet and discuss something seriously or formally