Meaning: This sentence describes a period of time during which the family experienced joy and contentment during their evening meal.
Choice of Words: The word "Dinner" is the main meal of the day, typically eaten in the evening. "Was" is the past tense of the verb "be", which is used to indicate a state of being or existence. "Happy" means feeling or showing pleasure or contentment. "Time" is a period during which something happens or exists.