Englishknow-how
noun
informal
know-how in high-tech fields will help build better vehicles:
knowledge, expertise, skill, skilfulness, expertness, proficiency, understanding, mastery, art, accomplishment, technique;
finesse;
ability, capability, competence, capacity, adeptness, dexterity, deftness, aptitude, adroitness, ingenuity, faculty, knack, talent, gift, flair, bent;
French savoir faire;
North American, informal savvy.
▷antonyms ignorance, incompetence.
know-how Oxford Dictionary of English