Gaze is related to Observe. Observe is a synonym of Detect. See is a type of Detect. 
Involve is a synonym of Imply. Imply is a synonym of Mean. Mean is the opposite of Brave. 
Gaze <--RelatedTo--> Observe <--Synonym--> Detect <--IsA-- See 
Involve <--Synonym--> Imply <--Synonym--> Mean <--Antonym--> Brave 