hypothesizer

• a word derived from hypothesize.
  hypothesize

  verb (used with object)

  to assume tentatively or set forth as a plausible explanation or as a reasonable basis for further investigation in the light of established facts.

More Suggestions

• hypothesis
• synthesizer
• apotheosize
• hypostasize
• hypotensive
• hypothecate
• hypothecium
• hypothenar
• hypothenuse