(bound form) to pray to a deity; to offer a prayer or supplication as in 祈祷 qí​dǎo or 祷告 dǎo​gào

(literary) to sincerely request or hope for something

(honorific) a polite marker used at the end of formal letters to express a sincere wish or request, typically following a desired action as in 是所至祷 shì​suǒ​zhì​dǎo