All could synonyms

verb could

• might — physical strength: He swung with all his might.
• can — You use can when you are mentioning a quality or fact about something which people may make use of if they want to.
• may — the fifth month of the year, containing 31 days.
• make the grade — a degree or step in a scale, as of rank, advancement, quality, value, or intensity: the best grade of paper.
• make it — to bring into existence by shaping or changing material, combining parts, etc.: to make a dress; to make a channel; to make a work of art.
• take care of — a state of mind in which one is troubled; worry, anxiety, or concern: He was never free from care.
• can do — marked by purposefulness and efficiency: a can-do executive.
• have it made — simple past tense and past participle of make1 .
• cut the mustard — to come up to expectations