Stand is related to Represent. Represent is related to Speak. Mouth can be used for Speak. Mouth is related to Sense. 
Value is the opposite of Slight. Slight is a type of Dismiss. 
Stand <--RelatedTo--> Represent <--RelatedTo--> Speak <--UsedFor-- Mouth <--RelatedTo--> Sense 
Value <--Antonym--> Slight --IsA--> Dismiss 