Positioned at rest in respect to another, be it side-to-side, front-to-front, back-to-back, or even three-dimensionally: in apposition.
Strikingly appropriate or relevant; well suited to the circumstance or in relation to something.
Related, homologous.
That which is apposite; something suitable.
Rightward (to or from the right side); on the right side.
Clockwise, moving clockwise.
By a rightward path; rightwards, rightwardly; clockwise (in a clockwise manner).
Rightly (correctly or justly); rightfully.