conference room; council room
breakthrough; great discovery
to add (numbers); to add (something); to top up (with something); to take care of (e.g. one's business)
similarly; same (idea); same (name)
throwaway; disposable; single-use
flying object (rocket, missile, etc.); projectile
sample return (mission); bringing back samples from another planet, asteroid, etc.
before very long; soon; someday; one of these days; sooner or later
seven times; many times; seventh (interval)
basis; foundation; core; criterion; standard
great; grand; extensive; large-scale
no objection; nothing to criticize (criticise)
high-functioning; high-performance; sophisticated
special characteristic; special quality; trait; idiosyncrasy; peculiarity
leaping; activity; leapfrog (over a problem); making a leap (e.g. in logic); making great strides; making rapid progress
elucidation; explication; explaining; unravelling; clarification; understanding
element; chemical element; (classical) element (e.g. earth, water, air, fire); (arch.) origin; (arch.) source
self-organization; self-organisation
seeming; pose; show; pretense; sham; mock
gallery; corridor; art gallery; upper gallery (in a theatre); spectators (esp. at a golf tournament)
heated (e.g. debate); passionate
comprehensive; exhaustive; cyclopedic; encompassing
propulsion; drive; promotion (of a policy, project, movement, etc.); furtherance; advancement
willingly; voluntarily; on one's own accord
exterior; outside; outer; external; lateral
difference in temperature; difference in degrees of enthusiasm, interest, commitment, etc.
to be absorbed in thought; to muse; to muse about; to think things through
the most; the extreme; prime; conspicuous