にあたって/にあたり => At the time of A (which starts now).., on the occasion of A N2
Time, Situation
といったらない/といったらありはしない => Extremely A, Very A, A beyond description N1
Degree/ Level/Amount
と[相「あい」]まって => Along with A N1
Lists, examples
にあって => During time/situation A N1
Time, Situation
とあって => Because of A, B N1
Reason, Result, Response
かいがあって => There is/was value in doing A N2
Adjectival, Descriptions
にはあたらない => There's no need to A, N1
Need/Requirements
あっての => Because of A (strong emphasis), B N1
Reason, Result, Response
たことがある => Have done A before N4
Situations and Experiences
あるいは => A or B N2
Lists, Examples
あまり~ない => Not very ~ N5
Amount
[間「あいだ」]/[間「あいだ」]に => During A, During A (before A is finished/over) N2
Time, Situation