Dismiss is a type of Reject. Reject is the opposite of Choose. Specify is a type of Choose. Specify is a synonym of Indicate. 
Excellent is a synonym of Massive. Massive is a synonym of Big. Big is related to Thumb. 
Dismiss --IsA--> Reject <--Antonym--> Choose <--IsA-- Specify <--Synonym--> Indicate 
Excellent <--Synonym--> Massive <--Synonym--> Big <--RelatedTo--> Thumb 