Crossword Puzzle Moves like the tide, sometimes

Clue: Moves like the tide, sometimes

Moves, as a theater patron (RESEATS with 7 letters)
Moves like the tide (EBBS with 4 letters)
Theorbos' cousins (LUTES with 5 letters)
Unsubstantiated theories? (HARDLYFACTS with 11 letters)
City where Einstein developed his special theory of relativity (BERN with 4 letters)
Put forth, as a theory (POSIT with 5 letters)
Botany's ____ theory (STELAR with 6 letters)
'90s TV toon therapist (e.g. DRKATZ with 6 letters)
Type of therapy (e.g. GENE with 4 letters)
Engage in retail therapy? (SHOP with 4 letters)