Appreciate is a synonym of Understand. Understand is etymologically related to Stand. Stand is the opposite of Lay. Lay is the opposite of Arise. 
Instructional is related to Sign. Sign is related to Peace. Peace is related to Relation. 
Appreciate <--Synonym--> Understand --EtymologicallyRelatedTo--> Stand <--Antonym--> Lay <--Antonym--> Arise 
Instructional <--RelatedTo--> Sign <--RelatedTo--> Peace <--RelatedTo--> Relation 