scientific basis; scientific foundation; scientific grounds
to be useful; to be helpful; to serve the purpose
easy to drink; easy to swallow; quaffable
mouthful; morsel; gulp; sip; one word; in short
sweetness; sugary taste; sweets; dessert; cake
slowly (but steadily); gradually; bit-by-bit; slowly soaking in; slowly permeating; oozing out
to become known; to come to light; to be known; to be understood; to clearly not amount to much; to be insignificant
navigator; host (of a TV show, etc.); hostess; MC
cancellation; liquidation; resolution; reduction (e.g. of stress)
nationality; citizenship; nationality (ship, airplane, etc.); registration; flag
unclear; obscure; unknown; unidentified; ignorance; lack of wisdom
race (of people); type of person
gender; distinction of sex; sex
one night; one evening; all night; overnight
unidentifiable; unidentified
versatile; multi-talented
flair; flash; insight; flash (of inspiration, wit, etc.); waving (e.g. of a flag in the wind)
play; recreation; play (theatre); performance; staging; praying
to get rid of; to erase; to dispel; to eradicate; to wipe away
in its entirety; whole; wholly
disappearance; vanishing; loss; dying away; wearing off
major incident; major happening; big scandal
to turn over (face down); to lay face down; to point downwards (eyes, head, etc.); to cast down (eyes); to lie (one's body) face down; to lie flat (on the ground)
dishonor; dishonour; disgrace; shame
one night; all night; overnight; one evening
next (e.g. "next April"); forthcoming; coming; to come; to arrive; to be due to
testimony; (verbal) evidence
of uncertain meaning; ambiguous; cryptic; nonsensical; incomprehensible; perplexing
to change places; to relieve one another; to replace someone
re-; again; repeated; deutero-; deuto-; deuter-
judgement; judgment; expert opinion; appraisal
certain; unmistaken; evident; obvious; beyond doubt