| aware of |
| conversant(adjective, familiar, knowledgeable, aware, informed) |
| expert(adjective, tough, effective, adept, effectual) |
| familiar(knowledgeable, up-to-date, conversant) |
| home |
| knowing(adjective, knowledge, experience, skill, expert) |
| able(adjective, tough, energetic, effective, adept) |
| acclimated to(expression, adjective, apt, hopeful, probable) |
| acclimatized to(expression, adjective, apt, hopeful, probable) |
| accomplished(adjective, tough, effective, adept, effectual) |
| acquaintances |
| active(adjective, tough, energetic, effective, adept) |
| adapted(adjective, tough, energetic, effective, adept) |
| adapted to(expression, adjective, apt, hopeful, probable) |
| adequate(adjective, tough, energetic, effective, adept) |
| apt(adjective, tough, energetic, effective, hopeful) |
| artful(adjective, knowledge, experience, skill, expert) |
| au courant(expression, adjective, familiar, expert, skilled) |
| au fait(expression, adjective, familiar, knowledgeable, expert) |
| authoritative |