The phrase "and it is conceivable" is correct and usable in written English.
You can use it when discussing possibilities or hypothetical situations that could be imagined or thought of.
Example: "In the context of climate change, it is concerning to think that, and it is conceivable, we may face severe weather patterns in the future."
Alternatives: "and it is possible" or "and it can be imagined".
In the 'primary' sense conceivability entails possibility, and it is conceivable that water should have been a substance chemically different from H2O.
The game, which will be televised nationally by NBC Sports, will lose its luster if Camby does not play, and it is conceivable that the league will take such a marquee matchup into consideration.
However, such a germline barrier should not exist in the unicellular ancestor of animals and it is conceivable that the ancestral animal, like its closest relatives choanoflagellates or many other unicellular eukaryotes [ 29, 64], was subject to more frequent HGT.
But then since its 1992 release, the landscape has changed irrevocably and it is conceivable that the drive behind Killing in the Name could be a knock-on result of the Obama effect.
During successful, highly active ART HIV replication may be suppressed to a level that its state may be described as non-persistent and it is conceivable that the dynamics of non-persistent antigen-specific CD4+ T cells correlate.
And it is conceivable that they could die out without me being able to do anything to prevent them.
But I haven't been told that, and it is conceivable that one or all of them may have voluntarily opted for a quieter life.
And it is conceivable that a grant that supports a rural farmhouse would open up higher-wage telework opportunities to that resident.
The Giants are 3-3, and it is conceivable that the Eagles will play them with an identical record in two weeks.
We are still not entirely sure that HS2 will ever happen, and it is conceivable that a new Labour leader could turn the party against it.
Some 60% of the people who will lose out as a result of this bill are in work and it is conceivable that this could backfire.
