exchange; interchange; switching; reciprocity; barter; substitution
starting (a machine, engine, etc.); starting (a project, plan, etc.); beginning; initiation
badge of rank; rank insignia
to accept (e.g. an explanation); to be satisfied (with); to assent (to)
all; wholly; entirely; completely; without exception
(brute) force; using all one's might
laid-back; carefree; easygoing; thoughtless; happy-go-lucky
horse laugh; guffaw; wild laughter
pedestrian crossing; crosswalk
old person; senior citizen; the aged; the elderly
arbitration; intercession; mediation
accomplishment; execution
robotic vacuum cleaner; robovac; Roomba
collection; recovery; withdrawal; retrieval
to fade; to discolor; to discolour; to diminish; to fade (e.g. of a memory)
at any rate; in any case; at the very least; if nothing else
to tell; to announce; to declare; to pass (a sentence); to order
to soar; to fly high; to be whirled up; to make merry; to be ecstatic; to be in high spirits
to pile up; to make a heap; to lay (e.g. bricks); to acquire (e.g. experience); to build (a reputation)
one-by-one; separately; in detail
tumult; great noise; clatter; hustle and bustle
Full speed ahead!; Full steam ahead!
release; liberation; acquittal
straight (from one place to another); going right onto; on the way; simultaneously; incidentally; directly
to cry one's eyes out; to make one's eyes swollen from crying
to worry about (someone's welfare or comfort); to feel anxious about; to have apprehensions of
rolling over; turning over; turning around (the other way); reversal (of direction, course, etc.); producing a positive from a negative; producing a negative from a positive
power; motive power; three-phase electricity
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series; -type
to take pride in; to pride oneself; to be proud of
suicide bombing (e.g. crashing one's plane into a target); self-destruction; blowing oneself up
end (of life); death; demise; (peacefully) spending one's final years
stars; the stars and planets; celestial bodies
Satori; folklore monster that can read minds
feeling sick; feeling nauseous; feeling unwell; feeling displeased; feeling offended; feeling irritated
even if; even though; wow
astounding; tremendous; wild; crazy; exorbitant; outrageous
originator; ringleader; perpetrator; main culprit; person responsible
follow-up survey; tracing survey; contact tracing (of an infectious disease)
analysis; analytical study; parsing; parse
demolition contractor; wrecker; scrapyard; junkyard; auto wrecker
warrant; summons; written order
search (esp. for someone or something missing); manhunt; legally authorized search of a person, building, etc.
to see (someone) off; to escort; to watch (someone or something) go out of sight; to follow with one's eyes; to let (a bus, pitch, etc.) go by; to let pass; to postpone