Polish
Part of speech: noun
Definition: A substance used to polish. Cleanliness; smoothness, shininess. Refinement; cleanliness in performance or presentation.
Part of speech: verb
Definition: To shine; to make a surface very smooth or shiny by rubbing, cleaning, or grinding. To refine; remove imperfections from.
Example sentence: Anybody is able to doubt me. I say, 'Come with your criticism to polish the diamond of the truth.' People need to wake up to their own power. Everybody has this nature.
Cultivation
Part of speech: noun
Definition: The art or act of cultivating; improvement for agricultural purposes or by agricultural processes; tillage; production by tillage.Bestowal of time or attention for self-improvement or for the benefit of others; fostering care.The state of being cultivated; advancement in physical, intellectual, or moral condition; refinement; culture.
Example sentence: It is a simple but sometimes forgotten truth that the greatest enemy to present joy and high hopes is the cultivation of retrospective bitterness.