How to say "facilitate" in Japanese

• 容易にするよういにする
  expression, suru verbCovers 'facilitate' in the sense of making something easier or simpler, reducing the difficulty of a task or process. A less common rendering; its core meaning is 'to make easy'.
  飛行機ひこうきは外国旅行がいこくりょこうを容易よういにした。↗

  Airplanes have made it easy to travel abroad.
• 円滑にするえんかつにする
  expression, suru verbCovers 'facilitate' in the sense of helping a process, discussion, or activity run smoothly; its core meanings are 'to smooth' and 'to streamline'. A less common rendering of 'facilitate'.

Choose 「容易にする」 when 'facilitate' means making something easier or simpler, and 「円滑にする」 when it means helping a process or discussion run smoothly; both are less common renderings of 'facilitate'.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 容易にするよういにするto facilitate
• 円滑にするえんかつにするto smooth
• 助けるたすけるto facilitate