Thinking is a form of Think. Think is a synonym of Deem. Deem is a synonym of Pretend. Pretend is a synonym of Seem. 
Discipline is related to Science. Scientific is derived from Science. Scientific is related to Theory. 
Thinking --FormOf--> Think <--Synonym--> Deem <--Synonym--> Pretend <--Synonym--> Seem 
Discipline <--RelatedTo--> Science <--DerivedFrom-- Scientific <--RelatedTo--> Theory 