The phrase "all ostensible" is correct and usable in written English.
It can be used when referring to things that appear to be true or real but may not actually be so, often in contexts discussing appearances versus reality.
Example: "The committee's decisions were based on all ostensible evidence presented during the meeting."
Alternatives: "all apparent" or "all seeming".
But for all the ostensible nurturing, the Alphans were emotional zombies, overshadowed by bug-eyed monsters, nifty spaceships and huge explosions.
For all the ostensible detours, then, the first four and a half books of the Histories lay a crucial foundation for the reader's experience of the war between Persia and Greece.
For all the reflexive, ostensible behind-the-scenes insight into the process of making a filmed drama of the Ramsey case (albeit one that Green only shoots a few scenes for), "Casting JonBenet" is disturbingly non-transparent regarding Green's own relationships and discussions with the film's participants.
For all its ostensible daring, "Trouble Every Day" ultimately seems naïve.
For all their ostensible oddness, brutalist buildings don't have to be movie dystopias.
In other words, for all its ostensible daring and exploration, this is a book full of foregone conclusions.
For all his ostensible objectivity, Fuller does wrestle with one conflict: his 33% stake in a second firm he founded called SwapWatch, which sells software for tracking swap trades.
Democrats have not flipped a congressional seat blue all decade in ostensible swing states such as North Carolina, Michigan, Ohio, Pennsylvania, and Wisconsin.
Given the uncertainty around autism, therefore, there are plenty of practitioners rushing to fill the vacuum with all sorts of ostensible cures – frequently at a price.
Beginning on Oct. 17, shoppers who buy at least $50 worth of goods, put 10 percent down and pay a $5 fee will be able to pay for their purchases slowly over the next two months, all for the ostensible purpose of avoiding debt.
