The phrase "as initially speculated" is correct and usable in written English.
It can be used when referring to a prior assumption or hypothesis that was made at the beginning of a discussion or analysis.
Example: "The results of the experiment confirmed the theory, as initially speculated by the researchers."
Alternatives: "as first suggested" or "as previously assumed".
At the time a message on its website said it had entered into an exclusive partnership without releasing further details, but it's now clear that partner was Google, rather than Apple as some had initially speculated.
CIA analysts, some of whom had been involved only a year earlier on the flawed assessments of Iraq's weapons programs, initially speculated that a third country, such as Israel, may have fabricated the evidence.
Ms. Haskin said that she and some of the other regulars initially speculated that the officers were conducting a training exercise, although as time dragged on this seemed less of a possibility.
Therefore, it was initially speculated that the unknown metabolite could be a species with As bound to a protein inside the cells.
They initially speculated that among preterm (<37 weeks) babies, maturity would serve as a strong predictor of mortality, while among term babies, the increased mortality was probably due to growth restriction.
It was initially speculated that the signals represented aromatic phosphodiesters based on their similarity to compounds such as binaphthyl diylhydrogen phosphate, although the resistance of the signals to hypobromite oxidation subsequently indicated the likelihood that they represented inositol phosphates.
Police initially speculated that the attack was the work of more than one gunman.
Aides had initially speculated that Mr. Bush might leave the ranch and return to Austin several days ago.
The name of the tour was initially speculated to be "Tour of Earthly Delights", until Shakira's official website revealed the poster of the tour on 8 September, which highlighted "The Sun Comes Out World Tour" as the name.
When questioned by the media, medical authorities initially speculated that a "coffin birth" might have occurred.
- While DesMoinesDem initially speculated that the calls could not have come from Clinton or her allies, Republican consultant Patrick Ruffini noted on Twitter that the survey call came from the same number as calls made on behalf of a 2014 Democratic congressional candidate.
