εὐφόρησεν [1 verse](verb 3rd sg aor ind act) "Brought forth plentifully" is euphoreo, which means "bear well" and "be productive". - - The Greek verb translated as "brought forth plentifully" means "bear well" and "be productive". 

εὐφρανθῶμεν, [7 verses] (verb 1st pl aor subj pass) "Be merry" is euphraino, which means "cheer", "gladden", and in the passive, "make merry", "enjoy oneself". -- The Greek verb translated as  "be merry" means "cheer", "gladden", and in the passive, "make merry" and "enjoy oneself". It is used only in parables by Luke, most commonly in the parable of the prodigal son.

εὐρύχωρος [1 verse](adj sg fem nom ) "Broad" is eurychoros, which means "roomy", "wide," and, as a noun, "wide spaces."  -  The word translated as "broad" means "roomy" and "wide". This word is used only once by Jesus but it is used fifty times in the Greek OT. In Isa 33:21 it is used with the word above translated as "wide."

εὐθέως [16 verses](adv)  "Immediately" is from eutheos, which as an adverb, it means "straight," "simple," "straightway," forthwith," "immediately," "directly," and "at once." -- "Immediately" is  an adverb, it means "straight," "simple," "straightway," forthwith," "immediately," "directly," and "at once."

εὔθετός [2 verses](adj sg masc nom) "Fit" is euthetos, which means "well-arranged", "conveniently placed", "in a suitable place", "well-fitting", "ready for use", of persons "well=adapted", "quick", "able", and "fit and proper". -- The Greek word translated as "fit"  means "well-arranged", "conveniently placed", "in a suitable place", and of persons "well-adapted".  In English today, you would say "well-positioned" to capture the feeling of this word.