In induction you can form an educated guess or about a pattern you have found

Conjecture

Explanation:

answer is Conjecture.

A  conjecture  is  making  opinion  or  conclusion  about  something  of   any    incomplete  statement.

you  can  also  say  that  making  any  opinion  without  having  the   full     knowledge  of  scenario.

so,    

for  the  given  blank  the  best  suited  answer  is  Conjecture.

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >