(prep.) On; -- used in all the senses of that word, with which it is interchangeable.

about above after which against anent apropos of as for as regards as respects as to atop by by dint of by means of by use of by virtue of by way of concerning en route to headed for hereby hereinafter herewith in connection with in contact with in passage to in point of in re in reference to in regard to in relation to in relation with in respect to in transit to in virtue of of on on route to on top of opposite over over against per pertaining to pertinent to re referring to regarding relating to relative to respecting speaking of thanks to thereby therewith through to touching toward towards up up against upon which versus vis-a-vis whereat whereby wherefore whereon whereto whereunto whereupon wherewith wherewithal with with regard to with respect to