Student or Learner
Can anyone think of a similar expression or another way of saying "it is submitted" in the sense of "in my view" or "I believe"? "It is contended" is perhaps another option, but it doesn't sound as good to me as "it is submitted."
The passive voice is not a good option for this. The reader will almost certainly want to know who it is submitted by.
If you're writing an academic paper which, for historical reasons, does not permit the use of "I" or "we", you could write "The author's submit, from this research, that ..."