You could use worldly... or refined...
Other words for eloquent would be well-spoken, elegant, and sophisticated. These words could all be used in place of the word eloquent depending on the meaning of your sentence.
bash
Some other words are warped, skewed, or bent.
dingle berry
adjacent
Briefed or enlightened could be used instead of informed. Other words could as well but it depends on the context of the statement.
demonstrated, explained, presented
successful, efficacious, useful
One word for motivated is determined.
An example of ambitious vocabulary would be using sophisticated or intricate words that are not commonly used in everyday language. This may include words like "ephemeral" instead of "temporary" or "effervescent" instead of "bubbly."
Depending on the context, you could use... arrived, began or started.
a an