Recommend is the opposite of Discourage. Discourage is the opposite of Encourage. Encourage is a synonym of Motivate. 
Coming is related to Birthday. Birthday would make you want to Buy. 
Recommend <--Antonym--> Discourage <--Antonym--> Encourage <--Synonym--> Motivate 
Coming <--RelatedTo--> Birthday --CausesDesire--> Buy 