when first seen

ADVERB
15 LETTERS · STARTS WITH W

when first seen is a valid 15-letter word worth 22 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
W4H4E1N1F4I1R1S1T1S1E1E1N1
4 + 4 + 1 + 1 + 0 + 4 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 =22 PTS
DOUBLE WORD → 44TRIPLE WORD → 66
MEANING

What does when first seen mean?

ADVERB · 1 SENSE
1

As a first impression.