brain child

noun brain child

• proposition — the act of offering or suggesting something to be considered, accepted, adopted, or done.
• motion — the action or process of moving or of changing place or position; movement.
• overture — an opening or initiating move toward negotiations, a new relationship, an agreement, etc.; a formal or informal proposal or offer: overtures of peace; a shy man who rarely made overtures of friendship.
• outline — the line by which a figure or object is defined or bounded; contour.
• offer — to present for acceptance or rejection; proffer: He offered me a cigarette.