| simple(adjective, foolish, innocent, susceptible, naive) |
| sucker(adjective, foolish, innocent, susceptible, naive) |
| superstitious |
| susceptible(adjective, foolish, innocent, naive, unsophisticated) |
| swallowing whole(expression, adjective, foolish, innocent, susceptible) |
| taken in(expression, adjective, foolish, innocent, susceptible) |
| taking the bait(expression, adjective, idiom, foolish, innocent) |
| trustful(adjective, foolish, innocent, susceptible, naive) |
| tumbling for(expression, adjective, foolish, innocent, susceptible) |
| uncritical |
| undoubting |
| unskeptical(adjective, foolish, innocent, susceptible, naive) |
| unsophisticated(adjective, foolish, innocent, susceptible, naive) |
| wide-eyed(adjective, foolish, innocent, susceptible, naive) |
| accepting(innocent, susceptible, naive) |
| be taken in(adjective, susceptible, nonresistant, gullible, unsuspicious) |
| easily moved(expression, adjective, susceptible, nonresistant, gullible) |
| gullibly |
| lamber(nonresistant, gullible, unsuspicious) |
| like a babe in the woods(expression, idiom, nonresistant, gullible, unsuspicious) |