を契機に => as a good opportunity/chance to N2
Expected
を[機「き」]に => Use A as an opportunity N1
Time, Situation
を[契機「けいき」] => As a good opportunity A, (do) B N2
Information, Report
~んがため(に)/~んがための      => in order to ~ N1
~づめだ      => full of N1
ため => In order to, for N4
Purpose, target
めったな => hardly; rarely; seldom N2
Ban
ずくめ => completely; entirely; nothing but ~ N1
せめて => at least; at most ~ N2
をきっかけに/を契機に => with… as a start; as a result of; taking advantage of N2
ため(に) => For, because… N4
Cause and Effect
をはじめ/をはじめとする => For example, A N2
Lists, Examples