groping (for); fumbling around (for); searching (for an answer, solution, etc.); trying to find

imitation

scale; scope; plan; structure

indicates that something seems likely (e.g. rain or storm)

large-scale

copy (of the real thing); copying; reproduction; tracing

imitation; copying

model; dummy; maquette

imitation; counterfeit; fake; sham; ersatz (object)

small scale

exemplar; model; example; pattern

rearranging; remodeling; remodelling