ample

(adj) – If you have an ample amount of something (time, money, etc), you have more than plenty of it for what you need.

• Synonyms: plenty, more than enough, abundant, extensive, substantial
• Antonyms: insufficient, meager, not enough
• Etymology: Mid-15th Century Latin, from amplus meaning "large, spacious," which comes from ampla meaning "handle, grip"
• Morphology: amplify - v
• Example: I hope you had ample rest over our last 3-day weekend!