'lofty conception' is a correct and usable phrase in written English.
You can use it to refer to an idea or goal that is considered to be highly ambitious, noble, or idealistic. For example, "the lofty conception of a world free of violence is a noble goal for humanity to strive towards."
An ambitious ruler with a lofty conception of the royal office, he was deposed by his cousin Henry Bolingbroke Henry IVV) because of his arbitrary and factional rule.
The preliminary drawings many of which have been preserved reveal Leonardo's lofty conception of the "science of painting"; he put to artistic use the laws of equilibrium that he had probed in his studies of mechanics.
The French in particular, largely thanks to a lofty conception of their imperial mission, brought significant improvements to public health in western Africa, developing effective vaccinations for diseases such as smallpox and yellow fever. 5. Consumption: The west's dominance of the rest of the world was not only achieved by force; it was also, as Ferguson shows, achieved through the market.
The Euripidean assault on the gods ended in the debasement of the original lofty conceptions.
Many preferred the more pleasing and less demanding architecture of his rival Johann Lucas von Hildebrandt to Fischer's lofty conceptions.
Rogan has a loftier conception, and he flashed some anger when I asked if a congressman should not be more careful to hew to his constituents' beliefs.
The Obama administration was elected with such high hopes and had such a lofty self-conception.
Freada Kapor Klein, a founding partner at the social-impact investment firm Kapor Capital and a co-founder of Project Include, which promotes inclusiveness in Silicon Valley, told me that both of these problems are bound up with the industry's lofty self-conception.
Conceptions more lofty and daring, sentiments more commanding, and language more energetic than some of the best passages in this poem afford, will not easily be found:—nor does scarcely any part of it sink to languor; as the glow of feeling and genius animates the whole".
This lofty goal of innovation is for large "I".
But I suspect there is something more lofty, more idealised, even more nationalistic in his conception of purity.
