just a minute/second/moment

:  having a basis in or conforming to fact or reason :  reasonable

:  conforming to a standard of correctness :  proper

:  faithful to an original

:  exactly, precisely

:  very recently

:  by a very small margin :  barely

: archaic variant ofjoust

:  the 60th part of an hour of time :  60 seconds

:  the 60th part of a degree of angular measure

:  the distance one can traverse in a minute

:  to make notes or a brief summary of

:  very small :  infinitesimal

:  of small importance :  trifling

:  marked by close attention to details

:  next to the first in place or time

:  next to the first in value, excellence, or degree

:  inferior, subordinate

:  one that is next after the first in rank, position, authority, or precedence

:  one that assists or supports another

:  the assistant of a duelist or boxer

:  the 60th part of a minute of angular measure

:  the 60th part of a minute of time :  1/86,400 part of the mean solar day

:  the base unit of time in the International System of Units that is equal to the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium-133 atom

:  to give support or encouragement to :  assist

:  to support (a fighting person or group) in combat :  bring up reinforcements for

:  to support or assist in contention or debate

:  a minute portion or point of time :  instant

:  a comparatively brief period of time

:  present time