thrust; driving force; propulsion
form (as opposed to substance); formality; method; system; format; mode
armrest (of a chair); elbow rest
to change; to exchange; to convert; to renew; to throw a switch; to replace
group; bunch; crowd; group
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series
mode (musical mode, mode of probability distribution, state of physical system); fashion
engine; agency; organisation; system; facility
control (of a machine, device, etc.); control (over an opponent, one's emotions, etc.); governing; management
standard; standardized; average; normal; ordinary
great difference; big difference; wide margin
to place on (something); to give (someone) a ride; to give a lift; to load (luggage); to carry; to send out (on the airwaves, etc.); to deceive
adjustment; regulation; coordination; reconciliation; tuning; fixing
subtle; delicate; difficult; complex; doubtful; questionable
(an) unknown; unknown number; variable; unknown quantity; not yet known
to attend on; to wait on; to accompany; to escort; to chaperone
to be anxious or concerned about; to ponder (anxiously); to fear; to investigate; to consider; to plan
to be able to manage somehow or another
yell (of encouragement); cheering (esp. for a school sports team)
ten thousand years; eternity; perennial; perpetual
strange; weird; wonder; mystery; cleverness; adroitness
new; novel; fresh; recent; latest; up-to-date
extra; more; unnecessary; needless; all the more; even more
to hand over; to surrender
enshrinement; installation (of an image)
battle; fight; war; struggle; conflict
to mourn for; to grieve for; to condole with (the bereaved family, etc.); to hold a memorial service for; to hold a funeral service for
fearfully; timidly; nervously; cautiously; gingerly
assistant; helper; assistant (to a professor)
to carry out (of somewhere); to transport; to take out
to assume the posture of praying; to press the palms and fingers of both hands together; to beg; to make a supplication; to see (something or someone of high status)
to bow; to bow one's head; to apologize; to apologise; to bow to; to yield to
alias; pseudonym; pen name; nom de plume; different name; other name
close thicket; dense forest; jungle; amazon.com
departed spirit; soul of the dead; ghost; apparition
middle-distance (races); intermediate-range (missile)
(being) out of range (e.g. mobile network, radar, missiles); (being) out of contention; (being) beyond influence
making use of; application; practical use; operation; handling; steering (esp. a boat)