Godan verb with 'u' ending, Intransitive verb
to meet (wishes, expectations, etc.); to satisfy; to comply with; to live up to
see 沿う
to accompany; to go with; to stay by one's side
to associate with (someone); to mix with
to marry; to wed
esp. 添う
to be added
esp. 添う
Also written 副う【そう】