Timber is related to Building. you are likely to find Chair in/at/on Building. 
Undergo is a synonym of Pass. Pass is the opposite of Meet. Meet is a synonym of Fit. Fit is related to Clothes. 
Timber <--RelatedTo--> Building <--AtLocation-- Chair 
Undergo <--Synonym--> Pass <--Antonym--> Meet <--Synonym--> Fit <--RelatedTo--> Clothes 