"on his conception" is grammatically correct and can be used in written English.
This phrase is typically used to describe something that occurred or existed during the time of someone's conception, or the beginning of their existence. Example: On his conception, John's parents were living in a small apartment in the city.
Nobody has had a greater influence on his conception of the act of painting than Samuel Backett, a close friend of long standing.
As a theologian, he based the revival of the order on his conception of the spiritual life, which he expounded in mystical treatises manifesting his Franciscan experience of contemplation as a perfection of the Christian life.
Characteristically of Bennett's wryly autobiographical writing, that memory then triggers reflections on his conception (both he and his brother have 9 May birthdays, possibly because his parents achieved erotic abandon on August bank holiday) and a string of anecdotes about other overshadowed anniversaries.
Ellison is the first Muslim to be elected to the U.S. Congress, and I had asked about his religion, and its bearing on his conception of politics, because I couldn't quite figure out how someone with his background — he came to politics through the roar of student activism: protests, marches, rallies — would be happy in the role he was so strenuously seeking.
To do so he builds on his conception of discourse, of language in use.
On his conception, character traits may be "frail and fragmentary" but still virtues, and not uncommon.
Saeed, 25, described the impact that porn had on his conceptions of sex: "Porn gave me an assumption that receptive anal intercourse is always painful.
To appreciate the significance of his brand of liberalism, it is helpful to focus on the substance of his conception of liberal essentials the package of individual liberties and state responsibilities that he endorses and the way he justifies his conception of liberal essentials.
He is acted on by the agent, but apart from that he is no more than a place holder for the spectator who will imaginatively occupy his shoes and make a judgment concerning merit or demerit on the basis solely of his conception of how he would respond to the agent if he were in the place of the recipient.
Has the Supreme Court of Citizens United (and, potentially, of health-care reform) failed to persuade the President that he must speak out on his competing conception of the Constitution?
His first argument rests on his empiricist conception of reason.
