the creation of something in the mind頭の中で何かを作り出すこと考案
a creation (a new device or process) resulting from study and experimentation研究と実験からもたらされる(新しい装置や手順の)創造発明品
the act of starting something for the first time; introducing something new; "she looked forward to her initiation as an adult"; "the foundation of a new scientific society"初めて何かを始める行為開設