Confusing use of "seeing"

[Batal]

Can "seeing" be used as a noun which might be modified by an adjective? Here's the example I am referring to: "Star Trek Into Darkness is well ______ seeing." This example is taken from Cambridge English First Result, and I don't know what parts of speech are correct to use in the gap. I thought of "seeing" in this case as a noun which may be modified by an adjective.

[Alan]

Yes, 'seeing' here is a gerund ( a kind of verbal noun). I think you'll find the missing word to be 'worth', an adjective with prepositional force.