1
to accompany;to go hand in hand with;to be consequent upon
usu. 〜に伴う
戦争には悲惨と悲しみが伴う。
Misery and sorrow accompany war.
2
to be accompanied by;to bring with;to take with;to be involved in
usu. 〜を伴う
Other forms
伴なう 【ともなう】 (irregular okurigana usage)