Words to Describe extrapolations

How extrapolations often is described ("________ extrapolations")

• such
• useful
• backward
• simplistic
• scientific
• quantitative
• alternative
• necessary
• simple
• hypothetical
• similar
• exponential
• obvious
• unwarranted
• reasonable
• naive
• unjustified
• uncertain
• graphical
• empirical
• term
• range
• rough
• valid
• philosophical
• mathematical
• arbitrary
• plausible
• theoretical
• suitable
• reliable
• appropriate
• dubious
• easy
• gross
• risky
• accurate
• demographic
• based
• crude
• mechanical
• logical
• above
• straightforward
• historical
• further
• speculative
• modest
• direct
• mere
• meaningful
• linear
• extreme
• cautious
• fanciful
• erroneous
• line
• long
• tentative
• wild
• chiral
• statistical
• following
• interspecies
• possible
• imaginative
• large
• successive
• straight
• metaphysical
• subsequent
• bold
• extensive
• conservative
• rational
• questionable
• inappropriate
• broad