"Supposedly" in Japanese


How do you express in Japanese that something is generally claimed to have a
certain property without positioning yourself to clearly as to the veracity of
the claim?

For example, how would you express the following sentence in Japanese:

> Reliquaries are the supposed bones of saints.




I think all the comments provide good examples. In my experience though, the
most commonly used in this situation is also the simplest one: 言われている (or
思われている as well, like in the first comment that I initially somehow missed).

Checking on [weblio](http://ejje.weblio.jp/content/supposedly) for example,
you can find the following example:

_He's supposedly 85 years old_ : 彼は 85 歳だといわれている.

Now, obviously this is just one example since as many people commented there
are other ways to express that. However, as I said in my experience this is
very commonly used. After all, if you think about it, "it is supposed that"
and "it is being said that" bear a similar, if not the same, meaning.

In this fashion your sentence could be translated as:

> 聖遺物{せいいぶつ}は聖者{せいじゃ}の骨{ほね}だと言われている。

EDIT: I changed the word 舎利 I originally used for reliquaries with 聖遺物 as
suggested by @Brandon in a comment. I agree that this is a more appropriate
choice in this context..supposedly. :)

