1) Anagram for theater 2) Boilerplate word 3) On that account 
• (adv.) At that place; there. • (adv.) At that occurrence or event; on that account.
There·at' adverb 1. At that place; there. « Wide is the gate, and broad is the way, that leadeth to destruction, and many there be which go in thereat .» Matt. vii. 13. 2. At that occurrence or event; on that account. « Every error is a stain to the...