took a stab (verb) conjecture: speculate
Sinonime: assume,
believe,
conceive,
conclude,
deem,
estimate,
expect,
fancy,
feel*,
figure,
gather,
glean,
guess, guesstimate, hazard a guess, hypothesize,
imagine,
infer,
judge,
presume,
pretend,
suppose,
surmise,
suspect, take a shot, take a stab, take for granted, theorize,
thinkAntonime: prove