Appropriate is a synonym of Suitable. Suitable is a synonym of Able. Able is related to Afford. Afford is related to Can. 
Colony is related to Arrangement. Arrangement is a synonym of Organization. Organization is related to Executive. Executive is a type of Administrator. 
Appropriate <--Synonym--> Suitable <--Synonym--> Able <--RelatedTo--> Afford <--RelatedTo--> Can 
Colony <--RelatedTo--> Arrangement <--Synonym--> Organization <--RelatedTo--> Executive --IsA--> Administrator 