The phrase "conceivable ideas" is correct and can be used in written English.
It can be used to describe ideas that are possible or imaginable. Example: In order for a project to be successful, it is important to consider all conceivable ideas before making a decision.
Organization after organization, business after business, motivated citizen after motivated citizen are knocking on every door conceivable with ideas for funding that range from great through good to indifferent to bad all the way to simply venally corrupt.
A fee for every conceivable new idea simply drives up office and insurance overhead.
Every conceivable new idea for sustaining the environment is literally posted in this museum of chat-boards that holds enormous promise for the next wave of visionary stakeholders in a less painful, more environmentally sensitive world.
Jacobs answered that challenge by throwing every conceivable sparkly, shiny idea at the collection.
" 'Cats' on paper was the worst idea conceivable," he said, "but we got it onstage because Bernard Delfont, an old-fashioned showman, took a bit of a flyer on it".
There was Pope Pius IX's "Syllabus of Errors", launched against the threat of liberalism and listing just about every conceivable advanced or critical idea about sin, belief and duty as a loathsome heresy, to be punished in hellfire.
If for other architects a temporary work would be an opportunity to push the boundaries of the conceivable, to dare to try ideas that might then be applied to larger projects, in Ingels's case he is already daring as much as he likes with his multistorey emoticons.
Finally, it's important to remember that if Goonies 2 does get made, it would inevitably open the door for Flight of the Navigator 2. That would be a supremely bad idea on every conceivable level.
On the surface, both Chinese governments emphatically reject this China‐Taiwan idea, but it is conceivable that one or both could have a change of mind.
On what conceivable level is that a good idea?
