とあって (to-atte): Because it is; given that
～とあって (to-atte)
Meaning
Because it is; given that
Formation and usage
plain clause／N + とあって
Notation: N = noun; V dictionary = dictionary-form verb; V stem = the stem before ます; plain clause = plain-form clause; negative stem = the form before ない. Follow the attachment shown above.
Explanation
Gives a special actual circumstance as the reason for an understandable response; unlike hypothetical とあれば.
Examples
初めての会議とあって、皆が緊張していた。
As it was their first time at the meeting, everyone was nervous.
初めての試験とあって、皆が緊張していた。
As it was their first time at the exam, everyone was nervous.
初めての研修とあって、皆が緊張していた。
As it was their first time at the training session, everyone was nervous.
初めての発表会とあって、皆が緊張していた。
As it was their first time at the presentation event, everyone was nervous.
初めての面接とあって、皆が緊張していた。
As it was their first time at the interview, everyone was nervous.
How related patterns differ
せいで attributes a bad result to a cause; あまり makes excess the cause. ものだから often explains an excuse; とあって gives a special actual circumstance. ゆえに and こととて are literary; ばこそ singles out the very reason.