His mother was human. His father
was Vulcan. They couldn't CONCEIVE.
The Big Bang Theory Season 1, Episode 13
make me CONCEIVE again
Vikings Season 1, Episode 8
...because you can't CONCEIVE of something
that you are not an expert in.
The Big Bang Theory Season 2, Episode 9
Surprised he let us CONCEIVE without him.
The Big Bang Theory Season 9, Episode 20