Possible Clues:

• Pursue - career - series of lectures
• Woman's dress
• Naturally of this it sounds a bit rough
• Pursue - career - run - series of lectures
• Of this it goes without saying that the ship set it at sea
• You'd swear there's nothing in it for racing
• 21 across, 26 across or 25 down
• A series of lessons
• Route along which something travels
• What may be set at sea goes without saying of this